Validity of a Consumer-Based Wearable to Measure Clinical Parameters in Patients With Chronic Obstructive Pulmonary Disease and Healthy Controls: Observational Study
This study aimed to assess the validity of the Fitbit Charge 4, a wrist-worn consumer-based wearable, to measure clinical parameters (ie, daily step count, resting heart rate [RHR], heart rate variability [HRV], respiratory rate [RR], and oxygen saturation) in patients with chronic obstructive pulmonary disease (COPD) and healthy controls in free-living conditions in Belgium by comparing it with medical-grade devices.
Read moreReliability of 24-hours measurement of physical activity, sleep and sedentary time in adult patients with asthma using a triaxial accelerometer
This study aimed to assess the number of measurement days needed to reliably measure Physical activity (PA), sleep and sedentary time (SST) . Secondly, the influence of external factors on the reliability of measuring PA and SST was studied.
Read moreShort-term effects on physical activity level with web-based self-management support in people with COPD: a randomised controlled trial
The primary aim of the present study was to evaluate the short-term effects of the use of the COPD Web on objectively measured Physical Activity (PA) level compared to usual care in people with COPD in primary healthcare. A secondary aim was to evaluate the short-term effects on self-reported PA level, dyspnoea, COPD-related symptoms, and HRQOL compared to usual care.
Read moreThe one-minute sit-to-stand test: A practical tool for assessing functional exercise capacity in patients with COPD in routine clinical practice
The objective of this study was to assess the test-retest reliability, constuct validity and responsiveness of the one-minute sit-to-stand test (1′STST) adopted in clinical practice among patients with COPD and to confirm the earlier established minimal important difference (MID) of three repetitions.
Read more220VP Wearable sensors to evaluate and monitor neuromuscular patients in real world environment
The first aim is to determine if gait parameters worsen during sustained walking in patients affected by myotonic dystrophy (MD). The secondary aim is to evaluate the feasibility of acquiring physical activity biomarkers in daily living conditions.
Read morePhysical activity and sedentary behaviour in relation to body composition, estimated insulin sensitivity and arterial stiffness in adults with type 1 diabetes
The aim of this study was to examine the association of daily Physical Activity levels and sedentary behaviour with body composition, estimated insulin sensitivity, and arterial stiffness in adults with type 1 diabetes (T1D).
Read moreThe association between peripheral neuropathy and daily-life gait quality characteristics in people with diabetes
What is the association between peripheral neuropathy and gait quality characteristics in daily life in people with diabetes?
Read moreThe Short Physical Performance Battery does not correlate with daily life gait quality and quantity in community-dwelling older adults with an increased fall risk
The aim of this study was to assess the correlations between the SPPB and daily life gait quality and quantity in community-dwelling older adults.
Read moreMotor and Nonmotor Measures and Declining Daily Physical Activity in Older Adults
The objectove was to test the hypothesis that adding baseline sensor-derived mobility metrics to diverse baseline motor and nonmotor variables accounts for the unexplained variance of declining daily physical activity among older adults.
Read moreEffect of Dapagliflozin on Accelerometer-Based Measures of Physical Activity in Patients With Heart Failure: An Analysis of the DETERMINE Trials
In this exploratory analysis of the AstraZeneca DETERMINE trials (Dapagliflozin Effect on Exercise Capacity Using a 6-Minute Walk Test in Patients With Heart Failure), we examined the effect of the SGLT2 (sodium-glucose transporter 2) inhibitor dapagliflozin on a range of accelerometer-based measures of physical activity in people with HF across the whole spectrum of left ventricular ejection fraction (LVEF).
Read moreHoffa’s fat pad resection during total knee arthroplasty does not affect functioning and gait: a double-blind randomized clinical trial
This double-blind randomized controlled trial (i) compared functional recovery between total knee arthroplasties where Hoffa was resected or preserved, and (ii) compared recovery of self-reported function with objective (gait-related) outcomes.
Read moreEvaluation of walking activity and gait to identify physical and mental fatigue in neurodegenerative and immune disorders: preliminary insights from the IDEA-FAST feasibility study
This study explored the relationships between gait characteristics derived from an inertial measurement unit (IMU) and patient-reported fatigue in the IDEA-FAST feasibility study.
Read moreMotivation and confidence about physical activity in COPD patients: health benefits matter to patients
The objective of our study was to identify and understand the different motivational and confidence factors related to low levels of Physical Activity in a COPD cohort.
Read moreReal-World Gait Detection Using a Wrist-Worn Inertial Sensor: Validation Study
The aim of this study was to validate gait sequence detection algorithms developed for the wrist position against reference data acquired in a real-world context. In addition, this study aimed to compare the performance of algorithms applied to the wrist position to those applied to lower back–worn inertial sensors.
Read moreThe Stress of Measuring Plantar Tissue Stress in People with Diabetes-Related Foot Ulcers: Biomechanical and Feasibility Findings from Two Prospective Cohort Studies
The aims of this study were as follows: (i) to investigate the association between cumulative plantar tissue stress (CPTS) with ulcer healing in people with diabetes-related plantar foot ulcers using removable offloading treatments and (ii) to explore the feasibility of measuring CPTS.
Read morePhysical activity coaching in patients with interstitial lung diseases: A randomized controlled trial
This study investigated the effect of a telecoaching intervention to improve physical activity in patients with interstitial lung disease.
Read moreMinimal power required to ascend a flight of stairs versus actual power measured with body-fixed sensors in adults aged 19-85 years
This study aimed at comparing a simple formula that estimates the mean power needed to ascend a flight of stairs with actual power values generated per step in a predetermined time and investigating their sensitivity to detect age-related differences.
Read moreThe Association between Objectively Measured Physical Activity and the Prevalence of Comorbidities in Lung Transplant Recipients
This study investigated whether objectively measured physical activity was associated with the prevalence of comorbidities in Lung transplant recipients.
Read moreWearable Sensors to Monitor Physical Activity in Heart Failure Clinical Trials: State-of-the-Art Review
The aim of this paper is to provide recommendations on how to fill the current knowledge gaps that prevent actigraphy outcomes from being clinically relevant endpoints acceptable to key stakeholders, including regulators and payers, in addition to those living with Heart Failure and their healthcare team.
Read moreOlder adults’ lower-limb muscle power production throughout a full flight of stairs: Reliability and comparison between different stair models
Body-fixed sensors can measure power production throughout the different steps of a flight of stairs to assess different aspects of performance. This study investigated: 1) power production throughout a full flight of stairs; 2) if staircases with less or more steps can provide similar information; and 3) test-retest reliability of stair climbing power.
Read moreConcurrent Validity of Four Activity Monitors in Older Adults
The purpose of the current study was, therefore, to validate and compare six algorithms, four different activity monitors, on five anatomical placements for the quantification of activity intensities in older adults. This was conducted by (i) determining participant-specific and overall balanced accuracies per algorithm, (ii) comparing participant-specific balanced accuracies between algorithms, and (iii) benchmarking participant-specific and overall balanced accuracies per algorithm.
Read moreMobilise-D insights to estimate real-world walking speed in multiple conditions with a wearable device
This study aimed to validate a wearable device’s walking speed estimation pipeline, considering complexity, speed, and walking bout duration. The goal was to provide recommendations on the use of wearable devices for real-world mobility analysis.
Read moreShort-term effects of air pollution and weather on physical activity in patients with chronic obstructive pulmonary disease (COPD)
The aim of this study is to assess the short-term effects of air pollution and weather on physical activity levels in COPD patients.
Read moreRelationship between Volitional and Non-Volitional Quadriceps Muscle Endurance in Patients with Chronic Obstructive Pulmonary Disease
The aim of the current study is to evaluate the correlation between volitional and non-volitional quadriceps muscle endurance in patients with COPD.
Read moreMovement Patterns in Older Adults Recovering From Hip Fracture
The aim of this study was to quantify physical activity and sedentary behavior in older adults recovering from hip fracture and to identify groups based on movement patterns.
Read moreEffect of Dapagliflozin Versus Placebo on Symptoms and 6-Minute Walk Distance in Patients With Heart Failure: The DETERMINE Randomized Clinical Trials
Sodium-glucose cotransporter 2 inhibitors reduce the risk of worsening heart failure (HF) and cardiovascular death in patients with HF irrespective of left ventricular ejection fraction. It is important to determine whether therapies for HF improve symptoms and functional capacity.
Read moreAssociation of Prospective Falls in Older People With Ubiquitous Step-Based Fall Risk Parameters Calculated From Ambulatory Inertial Signals: Secondary Data Analysis
In recent years, researchers have been advocating for the integration of ambulatory gait monitoring as a complementary approach to traditional fall risk assessments. However, current research relies on dedicated inertial sensors that are fixed on a specific body part. This limitation impacts the acceptance and adoption of such devices. Our study objective is twofold: (1) to propose a set of step-based fall risk parameters that can be obtained independently of the sensor placement by using a ubiquitous step detection method and (2) to evaluate their association with prospective falls.
Read moreAcceptability Criteria of Precision Medicine: Lessons From Patients’ Experiences With the GUIDE-IBD Trial Regarding the Use of Mobile Health Technology
How does the mobile health technology GUIDE-IBD influence patients’ lives and their perception of the body and self?
Read moreOverview on wearable sensors for the management of Parkinson’s disease
Here, we propose a practical anthology, summarizing the characteristics of the most used body-worn sensors for Parkinon's Disease patients in Europe, focusing on their role as tools to improve treatment management. Consideration regarding the use of technology to monitor non-motor features is also included.
Read moreImplementing integrated care guidelines in asthma and COPD: It ain’t easy!
Here we evaluate the implementation of a guideline-based, integrated, standardised, yet personal approach which uses documented treatable traits to improve the number of Personalised Care Plans (PCPs) in patients with COPD or Asthma in a real-life situation.
Read moreAge-related Gait Patterns Classification Using Deep Learning Based on Time-series Data from One Accelerometer
This study aims to compare different Machine Learning and Deep Learning approaches to classify age groups (adult vs. older adult) based on acceleration time-series obtained during 3-mintue walking.
Read moreOne-year sustained and clinically meaningful outcomes following pulmonary rehabilitation in people with difficult-to-treat or severe asthma
Read moreAn integrated personalized assistive devices approach to reduce the risk of foot ulcer recurrence in diabetes (DIASSIST): study protocol for a multicenter randomized controlled trial
The aim of this study is to assess the effect on foot ulcer recurrence, footwear adherence, and cost-utility of an integrated personalized assistive devices approach in high-risk people with diabetes.
Read moreSustaining training effects through physical activity coaching (STEP): a randomized controlled trial
We aimed to investigate whether a 9 months physical activity-telecoaching program is able to improve physical activity of patients with COPD, after 3 months of pulmonary rehabilitation and if this leads to maintenance of pulmonary rehabilitation-acquired benefits.
Read moreFactors associated to physical activity in patients with COPD: An ecological approach
Physical activity (PA) is low in patients with Chronic Obstructive Pulmonary Disease (COPD). Identifying modifiable and non-modifiable correlates of PA give understanding of the individual behavior and provide future directions for PA enhancing interventions. As PA is complex and multidimensional, it should be embedded within a thorough framework. Therefore, the objective of this study is to identify correlates of PA in a comprehensive COPD population based on a broad ecological model, including physiological, psychological, socio-demographic and environmental dimensions.
Read moreOtago Exercises Monitoring for Older Adults by a Single IMU and Hierarchical Machine Learning Models
The objective of this study is to build an unobtrusive and accurate system to monitor Otago Exercise Program for older adults. Data was collected from older adults wearing a single waist-mounted Inertial Measurement Unit (IMU).
Read moreAccuracy of consumer-based activity trackers as measuring tool and coaching device in breast and colorectal cancer survivors
Consumer-based activity trackers are used to measure and promote PA. This study studied the accuracy of a wrist- and waist-worn activity tracker in cancer survivors and compared these results to a healthy age-matched control group.
Read moreTrial in Elderly with Musculoskeletal Problems due to Underlying Sarcopenia—Faeces to Unravel the Gut and Inflammation Translationally (TEMPUS-FUGIT): protocol of a cross-sequential study to explore the gut-muscle axis in the development and treatment of sarcopenia in community-dwelling older adults
The Trial in Elderly with Musculoskeletal Problems due to Underlying Sarcopenia—Faeces to Unravel the Gut and Inflammation Translationally (TEMPUS-FUGIT) aims to explore the gut-muscle axis in sarcopenia.
Read moreA Single-Sensor Approach to Quantify Gait in Patients with Hereditary Spastic Paraplegia
This study aims to validate the adoption of a single lower-back wearable inertial sensor approach for step detection in Hereditary spastic paraplegia patients
Read moreSensor- and equation-based sit-to-stand power: The effect of age and functional limitations
This study first investigated whether age, functional limitations and sex affect the movement strategy and power production during fast Sit-to-Stand (STS) transitions in a large sample of individuals from 19 to 93 years old. A second objective was to examine potential differences between STS power estimated with a mathematic equation and STS power measured with a sensor.
Read moreAssessing real-world gait with digital technology? Validation, insights and recommendations from the Mobilise-D consortium
The aim of this paper is to comparatively assess and validate digital mobility outcomes (DMOs) estimated using real-world gait data from six different cohorts, focusing on gait sequence detection, foot initial contact detection, cadence and stride length estimates.
Read moreTechnology acceptance of digital devices for home use: Qualitative results of a mixed methods study
Digital devices have demonstrated benefits to patients with chronic and neurodegenerative diseases. But when patients use medical devices in their homes, the technologies have to fit into their lives. We investigated the technology acceptance of seven digital devices for home use.
Read moreA Self-Guided Online Cognitive Behavioural Therapy to Reduce Fear of Falling in Older People: a Randomised Controlled Trial
Traditional face-to-face cognitive behavioural therapy (CBT) has been successful at reducing fear of falling (FOF) in older people but can be labour-intensive and costly. Online CBT has been suggested as a cost-effective alternative but has not yet been tested in the context of FOF. This study evaluates the effectiveness of a readily available, self-guided and generalised online CBT program (myCompass) on reducing FOF in older people.
Read moreMinimally Important Difference of the 20-m 6-Min Walk Test in Individuals With COPD
The aim of this study was to assess the responsiveness and MID of the 6MWT20 in individuals with COPD.
Read moreMovement, non-movement behaviors and physical performance in older adults: An isotemporal substitution approach
The aims of this study were: (i) to analyse the associations of the time dedicated to movement and non-movement behaviours (i.e., lying down, sitting, standing, and locomotion) with PP (Time up and Go test and the Short Physical Performance Battery); and (ii) to examine how theoretically reallocating time between these behaviours is associated with this outcome.
Read moreAre inflammatory markers associated with sarcopenia-related traits in older adults with sarcopenia? – A cross-sectional analysis of the ENHANce study
Aim: To explore the relationship between inflammatory markers and sarcopenia-related traits in sarcopenic older adults.
Read moreDo Functional Tests Estimate Physical Activity in COPD?
The aim of this study was to verify the association between functional tests and Physical Activity in Daily Life (PADL) in subjects with COPD, as well as to identify whether these tests can discriminate less active subjects from those who are more physically active.
Read moreAre dietary intake and nutritional status of specifc polyunsaturated fatty acids correlated with sarcopenia outcomes in community-dwelling older adults with sarcopenia? – Exploratory results from ENHANce
The aim of the present study was to assess the dietary intake of polyunsaturated fatty acids (PUFAs) – through food records – and PUFAs status – through e red blood cell membrane fatty acids composition – in a sample of well-defined sarcopenic older adults according to the recent European Working Group on Sarcopenia in Older People (EWGSOP2) criteria. As the first study to do so in this population, we also aimed to determine the correlation between intake and status of PUFAs. Furthermore, the present study intended to explore associations between dietary intake and nutritional status of PUFAs and individual sarcopenia-defining parameters (muscle strength, muscle mass and physical performance) as well as physical activity and quality of life (QoL).
Read moreObjective Measurement of Physical Activity and Sedentary Behavior in Patients with Chronic Obstructive Pulmonary Disease: Points to Keep in Mind during Evaluations
In this narrative review, we clarified the problems encountered during objective evaluations for Physical Activity and Sedentary Behavior in patients with COPD and encouraged investigators to recognize the presence of these problems and the importance of adjusting for them.
Read moreValidation of Commercial Activity Trackers in Everyday Life of People with Parkinson’s Disease
Maintaining physical activity is an important clinical goal for people with Parkinson’s disease (PwPD). We investigated the validity of two commercial activity trackers (ATs) to measure daily step counts. We compared a wrist- and a hip-worn commercial AT against the research-grade Dynaport Movemonitor (DAM) during 14 days of daily use.
Read moreInstrumented Timed Up and Go Test (iTUG)—More Than Assessing Time to Predict Falls: A Systematic Review
We present a systematic review that explores the evidence of the technological proposals for the segmentation and analysis of iTUG in elderlies with or without associated pathologies, answering the following questions: What are the technological elements used, the methodological variations, and the main variables extracted in the application of iTUG in elderlies? What are the clinical applicability and predictive value of iTUG in elderlies?
Read moreEffectiveness of nordic walking in patients with asthma: A study protocol of a randomized controlled trial
This study aims to determine whether the effect of a Nordic walking (NW) training program plus education and usual care is superior to educational and usual care only, in terms of exercise tolerance and other health-related outcomes in patients with asthma. The second aim is to explore the patients’ experience with the NW program.
Read moreThe impact of treatable traits on asthma control and quality of life
This study aimed to investigate the prevalence of nine traits in asthma patients, their associations with disease control and quality of life, and referral rates to non-medical healthcare professionals.
Read morePhysical activity levels in cognitively normal and cognitively impaired oldest-old and the association with dementia risk factors: a pilot study
The primary aim of this study was to determine physical activity levels of cognitively normal and cognitively impaired adults older than 90 years of age (oldest-old). Our secondary aim was to assess if physical activity is associated with risk factors for dementia and brain pathology biomarkers.
Read moreMultidomain cognitive training increases physical activity in people with Parkinson’s disease with mild cognitive impairment
This explorative study investigated short-term effects of Cognitive Training on physical activity assessed by home-based accelerometry, and its relation to change of cognitive function over time and non-cognitive outcomes in patients with Parkinson's Disease with Mild Cognitive Impairment. Cognitive, and non-cognitive correlates of movement parameters at pretest were evaluated as well.
Read moreCumulative knee adduction moment during jogging causes temporary medial meniscus extrusion in healthy volunteers
The aim of this study was to investigate the effect of temporary overload stress on medial meniscus extrusion and its correlation with cumulative knee adduction moment.
Read moreSubtask Segmentation Methods of the Timed Up and Go Test and L Test Using Inertial Measurement Units—A Scoping Review
he Timed Up and Go test (TUG) and L Test are functional mobility tests that allow healthcare providers to assess a person’s balance and fall risk. Segmenting these mobility tests into their respective subtasks, using sensors, can provide further and more precise information on mobility status. To identify and compare current methods for subtask segmentation using inertial sensor data, a scoping review of the literature was conducted.
Read moreImpact of dynamic light exposure on sleep-wake pattern and behavioural and psychological symptoms of dementia in people with dementia living at home
The purpose of this study was to investigate the effects of a transportable dynamic light system, offering a scenario simulating a daylight curve adapted to the needs and preferences of older adults, on the sleep-wake pattern and behavioural and psychological symptoms of dementia (BPSD) in a home-dwelling population of people with dementia.
Read moreAdherence and Wearing Time of Prescribed Footwear among People at Risk of Diabetes-Related Foot Ulcers: Which Measure to Use?
The aim was to compare different measures of adherence and wearing time of prescribed footwear with a reference adherence measure, among people with diabetes at high risk of foot ulceration.
Read moreAcceptability of wearable devices for measuring mobility remotely: Observations from the Mobilise-D technical validation study
This study aimed to explore the acceptability of a wearable device (DynaPort MM+) for remotely measuring mobility in the Mobilise-D technical validation study (TVS), and to explore the acceptability of using digital tools to monitor health.
Read moreMobility recorded by wearable devices and gold standards: the Mobilise-D procedure for data standardization
In this study, we aim at providing an example of how movement data (from the real-world and the laboratory) recorded from different wearables and gold standard technologies can be organized, integrated, and stored. We leveraged on our experience from a large multi-centric study (Mobilise-D) to provide guidelines that can prove useful to access, understand, and re-use the data that will be made available from the study.
Read moreAssessment of gait and posture characteristics using a smartphone wearable system for persons with osteoporosis with and without falls
We used smartphone technology to differentiate the gait characteristics of older adults with osteoporosis with falls from those without falls. We assessed gait mannerism and obtained activities of daily living (ADLs) with wearable sensor systems (smartphones and inertial measurement units [IMUs]) to identify fall-risk characteristics.
Read moreResponsiveness of Daily Life Gait Quality Characteristics over One Year in Older Adults Who Experienced a Fall or Engaged in Balance Exercise
The aim of this study was to establish whether gait quality characteristics derived from daily life trunk accelerometry are reliable and responsive to change because of a fall or an exercise intervention in older people during a one-year follow-up.
Read moreIdentifying the Optimal Parameters to Express the Capacity–Activity Interrelationship of Community-Dwelling Older Adults Using Wearable Sensors
This study aimed to provide a novel and comprehensive assessment of the relationship between Physical Capacity and Physical Activity in community-dwelling older adults using wearable sensors. Physical capacity was measured once in the lab setting, while physical activity was assessed over a one-week period. Data reduction techniques were used to identify the optimal parameters to express the interrelationship between PC and PA of community-dwelling older adults, as measured by the McRoberts MoveTest and MoveMonitor wireless health sensors.
Read moreDiscriminant Validity of a Single Clinical Question for the Screening of Inactivity in Individuals Living with COPD
The aim of the present study was to analyse the discriminant validity of a single clinical question for the screening of inactive individuals living with COPD.
Read moreValidation of the Spanish Activity Questionnaire in COPD (SAQ-COPD) in Patients with Chronic Obstructive Pulmonary Disease
The Spanish Activity Questionnaire in COPD (SAQ-COPD) is a short, simple physical activity (PA) measurement instrument for patients with chronic obstructive pulmonary disease (COPD). In this study, we analyzed its validity and sensitivity to change.
Read morePhysical Activity, Muscle Oxidative Capacity, and Coronary Artery Calcium in Smokers with and without COPD
The aim of this study was to assess Physical Activity (PA), muscle oxidative capacity, and coronary artery calcium (CAC) in current and former smokers, with and without COPD, recruited from the COPDGene cohort. It was hypothesized that CAC burden would be associated negatively with both muscle oxidative capacity and markers of PA.
Read morePromotion of physical activity after hospitalization for COPD exacerbation: A randomized control trial
This study assessed the efficacy of a physical activity program after hospitalization for a COPD exacerbation.
Read moreConnecting real-world digital mobility assessment to clinical outcomes for regulatory and clinical endorsement – the Mobilise-D study protocol
The overarching objective of the study is to establish the clinical validity of digital outcomes in patient populations impacted by mobility challenges, and to support engagement with regulatory and health technology agencies towards acceptance of digital mobility assessment in regulatory and health technology assessment decisions.
Read moreAn analytical comparison of datasets of Real-World and simulated falls intended for the evaluation of wearable fall alerting systems
The study carried out in this article tries to assess the adequacy of simulated falls in a controlled laboratory environment, as long as the dynamics of real falls may substantially differ from those exhibited by these simulations.
Read moreArtificial neural network to classify cognitive impairment using gait and clinical variables
Combining gait and clinical variables could increase the accuracy of identifying cognitive impairment (CI) in geriatric patients. We aimed to classify geriatric patients with and without CI based on clinical variables, gait, or a combination of clinical and gait variables, using two machine learning methods, Random Forest (RF) and Artificial Neural Network (ANN).
Read moreTimed up and go test using Azure Kinect DK camera: A feasibility study
The aim of this study was to compare the intra-class correlation of selected parameters between measurement from Azure Kinect DK camera and DynaPort MT in the assessment of the Timed Up and Go (TUG) test.
Read moreObjective gait assessment in individuals with knee osteoarthritis using inertial sensors: A systematic review and meta-analysis
Read moreAn Analytical Comparison of Datasets of Real-World and Simulated Falls intended for the Evaluation of Wearable Fall Alerting Systems
The vast majority of works on fall detectors have been traditionally evaluated using ‘synthetic’ datasets, i.e. samples generated under laboratory conditions, in a controlled testbed in which a group of volunteers simulate o ‘mimic’ falls. This study tries to assess the adequacy of this testing procedure, as long as the dynamics of real falls may substantially differ from those exhibited by these simulations.
Read moreOscillatory positive expiratory pressure therapy in COPD (O-COPD): a randomised controlled trial
The study aimed to assess the impact of Oscillatory positive expiratory pressure (OPEP) therapy on quality of life and objective measures of cough and sleep disturbance in patients with COPD with regular sputum production.
Read moreUrban environment and physical activity and capacity in patients with chronic obstructive pulmonary disease
The objective was to test the association between urban environment and objective physical activity, physical activity experience and exercise capacity in COPD.
Read moreDifferences in Pulmonary and Extra-Pulmonary Traits between Women and Men with Chronic Obstructive Pulmonary Disease
This study aimed to explore sex-related differences in pulmonary, extra-pulmonary, and behavioral traits of patients with COPD referred to secondary or tertiary care.
Read moreDisconjugate Eye Movements in Dyslexic Adolescents While Viewing Op Art: A Creative Handicap?
Op art was created, in part, to produce illusions of movement. Given that dyslexics have been shown to have impaired visuo-postural axis deficits, it may be possible that dyslexics see illusions different than their non-dyslexic peers. To test this theory, we measured eye movement and posture in 47 dyslexic and 44 non dyslexic adolescents while they viewed three works of art by Op artist Bridget Riley.
Read moreA Self-Guided Online Cognitive Behavioural Therapy to Reduce Fear of Falling in Older People: a Randomised Controlled Trial
This study evaluates the effectiveness of a readily available, self-guided and generalised online cognitive behavioural therapy (CBT) program (myCompass) on reducing fear of falling (FOF) in older people.
Read morePhysical activity and cardiac autonomic dysfunction in patients with chronic obstructive pulmonary disease: A cross-sectional analysis
We aimed to 1) describe the cardiac autonomic function assessed by heart rate recovery (HRR) and chronotropic response (CR) during a 6-min walk test (6MWT) and afterward and 2) estimate the association of physical activity with HRR and CR in COPD patients.
Read moreSystematic Review of Physical Activity, Sedentary Behaviour and Sleep Among Adults Living with Chronic Respiratory Disease in Low- and Middle-Income Countries
This systematic review addressed the following questions: Where have free-living Physicl Activity (PA), Sedentary Behaviour (SB) and sleep data been collected for adults living with Chronic Respiratory Disease (CRD) in low- and middle-income countries? How have the data been collected? What are the free-living PA, SB and sleep levels of adults living with CRD?
Read moreInvolving people with dementia in the development process of assistive technology: multi-stakeholder experiences of a user-driven living lab
This case study (Playtime) investigates the experiences of various stakeholders, including people with dementia and their informal caregivers , when developing a serious game in a Living Lab. 18 semi-structured interviews were conducted with people with dementia and their informal caregivers, healthcare professionals, developers and researchers about their experiences following the key-principles of a successful User Centred Design project.
Read moreValidity study of a triaxial accelerometer for measuring energy expenditure in stroke inpatients of a physical medicine and rehabilitation center
The purpose of the current study was to establish the validity of a triaxial accelerometer (DynaPort®) for evaluating the energy expenditure of patients with stroke sequelae at a rehabilitation hospital.
Read moreDifferential Outcomes Following 4 Weeks of Aclidinium/Formoterol in Patients with COPD: A Reanalysis of the ACTIVATE Study
Using the data from the ACTIVATE study, where the effect of long-acting bronchodilators (LABD) therapy on lung hyperinflation, exercise endurance and PA was studied, we aimed to identify multidimensional outcome patterns for LABD therapy in patients with COPD, including static and dynamic lung function measures, exercise performance and PA by performing a cluster analysis. Moreover, we aimed to determine the initial characteristics associated with these patterns.
Read moreAdditive Effect of Dopaminergic Medication on Gait Under Single and Dual-Tasking Is Greater Than of Deep Brain Stimulation in Advanced Parkinson Disease With Long-duration Deep Brain Stimulation
Patients with advanced Parkinson disease (PD) often experience problems with mobility, including walking under single- (ST) and dual-tasking (DT) conditions. The effects of deep brain stimulation in the subthalamic nucleus (DBS) versus dopaminergic medication (Med) on these conditions are not well investigated.
Read morePost-operative, inpatient rehabilitation after lung transplant evaluation (PIRATE): A feasibility randomized controlled trial
Postoperative rehabilitation is crucial following lung transplantation (LTx); however, it is unclear whether intensive rehabilitation is feasible to deliver in the acute setting. We aimed to establish the feasibility and safety of intensive acute physiotherapy post-LTx.
Read moreGait disorders in CKD patients: muscle wasting or cognitive impairment? A cross-sectional pilot study to investigate gait signatures in Stage 1–5 CKD patients
Our study assesses the association between Chronic Kidney Disease (CKD) stages and gait parameters, to understand the prevalent status of brain related gait parameters (i.e. variability) and of performance related parameters (i.e. gait speed, stride length).
Read moreIn-shoe plantar pressure depends on walking speed and type of weight-bearing activity in people with diabetes at high risk of ulceration
In people with diabetes at high risk of ulceration, 1) what is the effect of walking speed on plantar pressure measures, and 2) what is the difference in plantar pressure measures between walking at self-selected speed and other weight-bearing activities?
Read moreClassification of kneeling and squatting in workers wearing protective equipment: Development and validation of a rule-based model using wireless triaxial accelerometers
We developed and validated a rule-based model for classifying unilateral and bilateral kneeling and squatting based on 15 individuals wearing personal protective equipment and using three wireless triaxial accelerometers.
Read moreShort Daily-Life Walking Bouts and Poor Self-Reported Health Predict the Onset of Depression in Community-Dwelling Older People: A 2-Year Longitudinal Cohort Study
This study aimed to assess whether the amount and quality of daily-life walking obtained using wearable technology can predict depression onset over a 2-year period, independently of self-reported health status.
Read moreA Pilot Observational Study Assessing Long-Term Changes in Clinical Parameters, Functional Capacity and Fall Risk of Patients With Chronic Renal Disease Scheduled for Hemodialysis
The objective of this study is to longitudinally describe the evolution of fall-related factors, health status, and functional capacity of patients expected to receive Hemodialysis.
Read moreVisualization-Driven Time-Series Extraction from Wearable Systems Can Facilitate Differentiation of Passive ADL Characteristics among Stroke and Healthy Older Adults
This study investigated new visualization-driven time-series extraction methods for distinguishing activities from stroke and healthy adults.
Read more“Can do, do do” quadrants and 6-year all-cause mortality in patients with COPD
Physical capacity (‘can do’) and physical activity (‘do do’) are prognostic indicators in COPD and can be used to subdivide COPD patients into four exclusive subgroups (the so-called “can do, do do” quadrants). The research question of the current study is: What is the 6-year all-cause mortality risk of the “can do, do do” quadrants of patients with COPD?
Read moreInfluence of mild pulmonary congestion on diaphragmaticmobility and activities of daily living in chronic kidneydisease: An experimental and clinical study
The objective of this study was to assess the influence of mild pulmonary congestion on diaphragmatic mobility (DM) and activities of daily liv-ing (ADL) in hemodialysis (HD) subjects, as well as compare ADL behavior on dialysis and non-dialysis days.
Read moreTechnical validation of real-world monitoring of gait: a multicentric observational study
This protocol will provide the stakeholders, the first comprehensive, multimodal solution to validate realworld mobility. Notably, the protocol described here has been accepted by the European Medical Agency13 as part of the Mobilise-D process for the regulatory qualification of real-world mobility performance biomarkers in Parkinson’s disease.
Read moreTo What Extent is Walking Ability Associated with Participationin People after Stroke?
This study aims to 1) identify the relation between walking ability and participation after stroke and 2) explore whether change in walking ability is associated with change in participation over time in community living-people after stroke.
Read moreEnergy expenditure per minute in different activities and body positions and its association with the classification as physically active or inactive in daily life in individuals with COPD
The objective was to describe and compare energy expenditure (EE)/minute walking and in different body postures in individuals with COPD; and to investigate if EE/minute walking is a predictor of their classification as physically active or inactive.
Read morePhysical activity level is associated with gait performance and five times sit-to-stand in Parkinson’s disease individuals
The objective was to investigate whether gait performance and five times sit-to-stand are predictors of Physical Activity level.
Read moreLength of Time-Series Gait Data on Lyapunov Exponent for Fall Risk Detection
This study investigates the reliability and minimum required strides for 6 algorithm-normalization method combinations when computing Local Dynamic Stability using young healthy and community dwelling elderly individuals.
Read moreEffects of Rucksack Military Accessory on Gait Dynamic Stability
The objective of this investigation was to assess the gait and local dynamic stability of the lower extremity of five subjects as they performed a simulated rucksack march on a treadmill.
Read moreReduced knee extensor torque production at low to moderate velocities in postmenopausal women with knee osteoarthritis
This study aimed to determine deficits in knee extensor muscle function through the torque-time and torque-velocity relationships and whether these deficits are associated with reduced functional performance in postmenopausal women with knee osteoarthritis (KOA).
Read moreThe Relationship Between Concerns About Falling and Daily Life Activity in Older Men and Women
Concerns about falling (CAF) affect daily life activities in older people; however, it is unclear whether gender moderates this relationship. The authors investigated the cross-sectional relationship between CAF and objectively measured physical activity (PA) and gait quality in 503 community-dwelling older men and women.
Read moreImplementing Exercise in Standard Cancer Care (Bizi Orain Hybrid Exercise Program): Protocol for a Randomized Controlled Trial
We intend to examine the effects attributable to the implementation of a community-based exercise program on cardiorespiratory functional capacity and quality of life for patients with cancer.
Read moreSignatures of Gait Movement Variability in CKD Patients Scheduled for Hemodialysis Indicate Pathological Performance Before and After Hemodialysis: A Prospective, Observational Study
This study aimed to prospectively describe the evolution of spatio-temporal parameters, variability, dual-task cost of gait, and daily Physical Activity in patients with end stage renal disease in a pre-dialysis program scheduled for Hemodialysis.
Read moreThe short- and long-term temporal relation between falls and concern about falling in older adults without a recent history of falling
We aimed to determine whether concern about falling increases after a fall and whether concern about falling increases the odds of future falls in community-dwelling older adults without a recent fall history.
Read moreReliability and validity of the Glittre-ADL test to assess the functional status of patients with interstitial lung disease
The study objective was to investigated the reliability and validity of the ADL-Glittre test to assess the functional status of patients with interstitial lung disease.
Read moreFeasibility of Sensor Technology for Balance Assessment in Home Rehabilitation Settings
The aim is to develop a scoring rubric composed of separate scoring components to objectively assess the feasibility of a particular technology for balance assessment being deployed in real-world remote rehabilitation settings.
Read moreThe (cost-)effectiveness of an implemented fall prevention intervention on falls and fall-related injuries among community-dwelling older adults with an increased risk of falls: protocol for the in balance randomized controlled trial
In this study, we will investigate the effectiveness and cost-effectiveness of In Balance, a fourteen-week, low-cost group fall prevention intervention, that is widely implemented in community-dwelling older adults with an increased fall risk in the Netherlands.
Read moreRelationship of the sacral slope with early gait derangements in robust older women
We carried out an early investigation of gait changes in a sample of community-dwelling women ≥60 years without gait complaints. The primary objective was to correlate spine and pelvic angles with performance tests and accelerometry parameters. The secondary objective was to correlate performance tests with accelerometry.
Read moreIsotonic quadriceps endurance is better associated with daily physical activity than quadriceps strength and power in COPD: an international multicentre cross-sectional trial
The present study aimed to determine the contribution of quadriceps strength, power and endurance to daily PA in COPD. Additionally, for quadriceps endurance, we also aimed to determine to what extent the association varies according to the mode of movement (isotonic, isometric, or isokinetic).
Read moreExploring Machine Learning Models Based on Accelerometer Sensor Alone or Combined With Gyroscope to Classify Home-Based Exercises and Physical Behavior in (Pre)sarcopenic Older Adults
Tools for objective monitoring of home-based training and physical behavior (PB) in (pre)sarcopenic older adults are needed. The present study explored two approaches with machine learning models, including accelerometer data either with or without additional gyroscope data (in an inertial measurement unit).
Read moreCharacteristics and treatable traits of patients with chronic obstructive pulmonary disease (COPD) with and without paid employment
This cross-sectional study aimed to explore the presence of treatable traits in COPD patients without paid work.
Read morePatients’ perceived walking abilities, daily-life gait behavior and gait quality before and 3 months after total knee arthroplasty
The aim of this study was to evaluate daily-life perceived walking abilities, gait behavior and gait quality before and 3 months after total knee arthroplasty, using PROMs and trunk-based accelerometry.
Read moreDaily Step Counts in Participants With and Without Peripheral Artery Disease
We compared the prevalence of participants with and without symptomatic peripheral artery disease (PAD) who met the goals of attaining >7000 and 10 000 steps/d, and we determined whether PAD status was significantly associated with meeting the daily step count goals before and after adjusting for demographic variables, comorbid conditions, and cardiovascular risk factors.
Read moreCorrelates of variability in endurance shuttle walk test time in patients with chronic obstructive pulmonary disease
This study aimed to determine whether pulmonary function, physical and incremental shuttle walk test (ISWT) performance measures are associated with ESWT Tlim in COPD patients.
Read moreProtocol of a 12-month multifactorial eHealth programme targeting balance, dual-tasking and mood to prevent falls in older people: the StandingTall+ randomised controlled trial
This paper describes the design of a randomised controlled trial that will evaluate the effectiveness of an eHealth programme, which addresses cumulative effects of key fall-risk factors across the triad of physical, affective and cognitive functions on falls in older people.
Read moreFree-Living Standing Activity as Assessed by Seismic Accelerometers and Cognitive Function in Community-Dwelling Older Adults: The MIND Trial
Our purpose was to examine the association between free-living standing activity and cognitive function in cognitively healthy older adults.
Read moreFree-Living Physical Activity and Sedentary Behaviour in Autoimmune Myasthenia Gravis: A Cross-Sectional Study
This study aimed to describe habitual PA patterns and explore relationships between PA metrics, clinical autoimmune myasthenia gravis characteristics, and health-related QoL (HRQoL).
Read moreE-health StandingTall balance exercise for fall prevention in older people: results of a two year randomised controlled trial
The objective of the study was to test whether StandingTall, a home based, e-health balance exercise programme delivered through an app, could provide an effective, self-managed fall prevention programme for community dwelling older people.
Read moreThree days monitoring of activities of daily living among young healthy adults and parkinson’s disease patients
Parkinson’s Disease (PD) is a neurodegenerative disorder affecting the substantia nigra, which leads to more than half of PD patients are considered to be at high risk of falling. Recently, Inertial Measurement Unit (IMU) sensors have shown great promise in the classification of activities of daily living (ADL) such as walking, standing, sitting, and laying down, considered to be normal movement in daily life. Measuring physical activity level from longitudinal ADL monitoring among PD patients could provide insights into their fall mechanisms.
Read moreMechanisms associated with increased physical activity in patients undergoing self-management behaviour modification in the randomised PHYSACTO trial
In this analysis of the PHYSACTO® study, we assessed the efficacy of a self-management behaviour modification (SMBM) programme to improve physical activity (PA) levels, and the extent to which effects were mediated by readiness to change, motivation and confidence.
Read moreStep Length Is a Promising Progression Marker in Parkinson’s Disease
In this study, 68 patients with Parkinson's Disease (PwP) in Hoehn and Yahr (H&Y) stages 1–4 were assessed with two gait tasks—20 m straight walk and circular walk—using IMUs.
Read moreDistinct cortical thickness patterns link disparate cerebral cortex regions to select mobility domains
The present analyses were designed to better understand the relationships between specific domains of gait and mobility and brain structures.
Read moreIdentifying Responders and Exploring Mechanisms of Action of the Endobronchial Coil Treatment for Emphysema
The aim of the study was to gain more knowledge about the underlying physiological mechanism of the lung volume reduction coil treatment and to identify potential predictors of response to this treatment.
Read moreQuantifying Circadian Aspects of Mobility-Related Behavior in Older Adults by Body-Worn Sensors—An “Active Period Analysis”
This cross-sectional study investigates the association between mobility-related behavior and subjectively rated circadian chronotypes in healthy older adults.
Read morePatterns of Physical Activity Progression in Patients With COPD
We aimed to identify distinct physical activity progression patterns using a hypothesis-free approach and to assess their determinants.
Read moreMediterranean-DASH Intervention for Neurodegenerative Delay (MIND) study: Rationale, design and baseline characteristics of a randomized control trial of the MIND diet on cognitive decline
The Mediterranean-DASH Intervention for Neurodegenerative Delay (MIND) study is a 3-year, multicenter, randomized controlled trial to test the effects of the MIND diet on cognitive function in 604 individuals at risk for AD. Unique features of the MIND study include: 1) a dietary pattern, rather than single nutrient or food, tested in an at-risk population; 2) foods featured as key components of the MIND diet (i.e. extra-virgin olive oil, blueberries, and nuts) provided for participants; and 3) MRI scans of brain structure and volume that may provide potential mechanistic evidence on the effects of the diet. Results from the study will be crucial to the development of dietary guidelines for the prevention of AD.
Read moreEffect of Virtual Reality Gait Training on Participation in Survivors of Subacute Stroke: A Randomized Controlled Trial
The purpose of this study was to examine the effect of virtual reality gait training (VRT) compared to non–virtual reality gait training (non-VRT) on participation in community-living people after stroke.
Read moreEffects of Levodopa on quality of sleep and nocturnal movements in Parkinson’s Disease
To evaluate the effects of Levodopa and specifically the frequently used Levodopa CR on sleep, we first compared subjective rating of sleep quality in a large dataset of n > 1100 patients from three independent PD patient cohorts, allowing to stratify both an exploration cohort and two validation cohorts. Then, we explored the use of mobile health technology to compare effectively occurring movements during sleep with subjective ratings of nocturnal akinesia as well as with overall sleep quality rating, related to Levodopa intake, in one of our cohorts.
Read moreContinuous home monitoring of Parkinson’s disease using inertial sensors: A systematic review
This review aims to collate existing literature on PD monitoring using inertial sensors while it focuses on papers with at least one free-living data capture unsupervised either directly or via videotapes.
Read moreValidity and responsiveness of the Daily- and Clinical visit-PROactive Physical Activity in COPD (D-PPAC and C-PPAC) instruments
The objective was to test reliability, validity and responsiveness, and to define minimal important difference (MID), of the D-PPAC and C-PPAC instruments, in a large population of patients with stable COPD from diverse severities, settings and countries.
Read moreFeasibility of Frailty Assessment Integrated with Cardiac Implantable Electronic Device Clinic Follow-up: A Pilot Investigation
In this pilot study, we examine the feasibility of using routine follow-up of patients with cardiac implantable electronic devices (CIEDs) for assessment of frailty.
Read moreWearables in the home-based assessment of abnormal movements in Parkinson’s disease: a systematic review of the literature
The employment of wearable technologies in PD represents a great paradigm shift in healthcare remote diagnostics and therapeutics monitoring. However, their applicability in everyday clinical practice seems to be still limited. We carried out a systematic search across the Medline Database.
Read moreCognitive impairment and sedentary behavior predict health-related attrition in a prospective longitudinal Parkinson’s disease study
Aim of this exploratory observational study was to evaluate the impact of cognitive impairment and sedentary physical behavior, assessed in a domestic environment, to longitudinally predict study drop-out due to sickness and death in PD.
Read moreAutomatic Quantification of Tandem Walking Using a Wearable Device: New Insights Into Dynamic Balance and Mobility in Older Adults
We developed novel tandem walking (TW) metrics, validated these measures using data from community-dwelling older adults, and evaluated their association with mobility disability and measures of gait and postural control.
Read moreMoving singing for lung health online in response to COVID-19: experience from a randomised controlled trial
Can Singing for Lung Health (SLH) be delivered online for people with chronic obstructive pulmonary disease? And if so, what are the practical issues and how does the experience compare with face-to-face participation?
Read moreWearable Health Technology to Quantify the Functional Impact of Peripheral Neuropathy on Mobility in Parkinson’s Disease: A Systematic Review
his review provides a comprehensive overview of the methodologies and the most relevant features to investigate peripheral neuropathy and PD motor deficits with wearables.
Read moreAn Objective Methodology for the Selection of a Device for Continuous Mobility Assessment
The primary aim of this study is to design a bespoke decision matrix to assist in selecting the optimal wearable device for continuous mobility monitoring.
Read moreMismatch of Subjective and Objective Risk of Falling in Patients with Dementia
The objective was to analyze mismatch of objective and subjective fall risk and associated factors in Patients with Dementia.
Read moreData Reproducibility and Effectiveness of Bronchodilators for Improving Physical Activity in COPD Patients
In this review, we listed the indicators of physical activity (PA) and the factors influencing the reproducibility of indicators of PA, and reviewed reports that evaluated the effects of bronchodilators on PA in COPD patients using an accelerometer. Then, we investigated the influence of these factors on the results of the effectiveness of bronchodilator treatment. Finally, we described the sedentary behavior that has received attention as a risk factor for mortality independent of PA.
Read moreThe Iconographical Falls Efficacy Scale (IconFES) in community-dwelling older people—a longitudinal validation study
This study aimed to develop cut-points for the 30-item and 10-item Iconographical Falls Efficacy Scale (IconFES) in community-dwelling older people and evaluate the psychometric properties, including construct and predictive validity with respect to falls and reduced physical activity over 1 year.
Read more“Can Do” Versus “Do Do” in Patients with Asthma at First Referral to a Pulmonologist
The objective was to explore the “can do, do do” concept in adult patients with asthma at referral for the first time to an outpatient consultation of a pulmonologist.
Read moreReliability and Validity of Patient-Reported, Rater-Based, and Hybrid Physical Activity Assessments in COPD: A Systematic Review
The purpose of this systematic review was to compare the validity and reliability among PA assessments in COPD.
Read moreA systematic review of the physical activity levels of acutely ill older adults in Hospital At Home settings: an under-researched field
The aim was to identify, evaluate and synthesise the evidence concerning the physical activity levels of acutely-ill older patients undergoing ‘Hospital At Home’ treatment compared to those of patients with similar characteristics in a traditional hospital inpatient setting.
Read moreInadequate energy and protein intake in geriatric outpatients with mobility problems
his study explored the nutritional needs (ie, energy balance and protein balance) and if this is dependent on nutritional status and sarcopenia status of geriatric outpatients with mobility problems.
Read moreAssociation between Daily-Life Gait Quality Characteristics and Physiological Fall Risk in Older People
Our aim was to test whether these gait quality characteristics are associated with the severity of fall risk.
Read moreSpecific Motor and Cognitive Performances Predict Falls during Ward-Based Geriatric Rehabilitation in Patients with Dementia
The aim of this study was to identify in-hospital fall risk factors specific for multimorbid hospitalized geriatric patients with dementia (PwD) during hospitalization.
Read moreAutomatic Quantification of Tandem Walking Using a Wearable Device: New Insights Into Dynamic Balance and Mobility in Older Adults
We developed novel tandem walking (TW) metrics, validated these measures using data from community-dwelling older adults, and evaluated their association with mobility disability and measures of gait and postural control.
Read moreSerum Acylglycerols Inversely Associate with Muscle Oxidative Capacity in Severe COPD
We aimed to determine whether metabolic derangements in COPD are associated with skeletal muscle deconditioning and/or physical inactivity, independent of pulmonary obstruction.
Read moreAssociation between air pollution and physical activity in patients with COPD
We aimed to explore the association between air pollution and physical activity in COPD patients, hypothesizing that higher levels of air pollution may negatively impact on physical activity.
Read moreConcurrent Validity, Test-Retest Reliability, and Sensitivity to Change of a Single Body-Fixed Sensor for Gait Analysis during Rollator-Assisted Walking in Acute Geriatric Patients
The study’s aim was to evaluate the concurrent validity, test-retest-reliability, and sensitivity to change of a BFS (DynaPort MoveTest; McRoberts B.V., The Hague, The Netherlands) for measuring gait parameters during rollator-assisted walking.
Read moreAssessment of Objectively Measured Physical Activity as an Independent Estimator of Functional Status in Clinical Trials
The data recorded in the ACTIVATE trial represents an opportunity to assess the relationship between PA, including change in PA from baseline, cycle ergometry Exercise Endurance Time (EET), including change in EET from baseline, and questionnaires aimed at assessing physical performance.
Read moreAn age-adapted plyometric exercise program improves dynamic strength, jump performance and functional capacity in older men either similarly or more than traditional resistance training
This study compared the effects of plyometric exercise on power, force production, jump and functional performance to traditional resistance training and walking in older men. Importantly, feasibility was investigated.
Read moreQuantitative mobility measures complement the MDS-UPDRS for characterization of Parkinson disease heterogeneity
We evaluated quantitative mobility measures from a wearable device compared to the conventional motor assessment, the Movement Disorders Society-Unified PD Rating Scale part III (motor MDS-UPDRS).
Read moreUrsodeoxycholic acid as a novel disease-modifying treatment for Parkinson’s disease: protocol for a two-centre, randomised, double-blind, placebo-controlled trial, The ‘UP’ study
The aims of this trial are to determine safety and tolerability of UDCA in PD at 30 mg/kg, confirm the target engagement of UDCA, apply a novel motion sensor-based approach to quantify disease progression objectively, and estimate the mean effect size and its variance on the change in motor severity.
Read moreAccuracy of consumer-based activity trackers as measuring tool and coaching device in patients with COPD and healthy controls
The aim of this study is to investigate the accuracy of two consumer-based activity trackers (i.e. Fitbit Zip, worn at the hip and Fitbit Alta, worn at the wrist) in patients with COPD and healthy age-matched controls, 1) to measure the PA of a patient (‘accuracy as a measuring tool’); and 2) to distinguish more and less active days at an individual level (‘validity as a coaching tool’), as compared to a validated activity monitor (i.e. Dynaport Movemonitor)
Read moreBone Metabolism Impairment in Heart Transplant: Results From a Prospective Cohort Study
The aim of the present study was to evaluate bone metabolism biomarkers, bone mass loss, bone microarchitecture changes, and frequency of vertebral fractures in the first year after HTx.
Read moreWearable technologies to measure clinical outcomes in multiple sclerosis: A scoping review
We reviewed wearable technology solutions with a particular interest in their potential to detect changes in function for people with multiple sclerosis in a more reliable and accurate manner, and their suitability for use in a UK-wide multi-centre platform trial.
Read moreReal-Life Multimarker Monitoring in Patients with Heart Failure: Continuous Remote Monitoring of Mobility and Patient-Reported Outcomes as Digital End Points in Future Heart-Failure Trials
The aim of the REALIsM-HF (NCT03507439) pilot study is to evaluate a composite instrument combining remote physical activity monitoring with daily electronic PRO questionnaires in patients with HFpEF and HFrEF under real-life conditions. The study will also start building reference data for use in future drug and device development programs as well as in the clinical management of patients
Read moreDifferent Combinations of Mobility Metrics Derived From a Wearable Sensor Are Associated With Distinct Health Outcomes in Older Adults
Gait speed is a robust nonspecific predictor of health outcomes. We examined if combinations of gait speed and other mobility metrics are associated with specific health outcomes.
Read moreFall risk assessment in the wild: A critical examination of wearable sensors use in free-living conditions
The objective of this narrative literature review is to discuss papers investigating natural data collected by wearable sensors for a duration of at least 24 hours to identify fall-prone older adults.
Read morePerturbation-based gait training to improve daily life gait stability in older adults at risk of falling: protocol for the REACT randomized controlled trial
We aimed to design and test a 4-week treadmill training, with a combination of gait perturbation under dual task conditions, to maximize effects on balance and gait performance under real-life conditions.Through a randomized clinical trial, we want to investigate the added value of a high number of perturbations in the experimental group under dual-task conditions compared to treadmill training under dual-task conditions without perturbations on daily life gait, stability, balance performance, self-efficacy and falls.
Read moreReliability and validity of eccentric strength measurement of the shoulder abductor muscles using a hand-held dynamometer
The objective was to investigate the validity and intrarater and interrater reliability of eccentric strength testing of the shoulder abductors using a hand-held dynamometer (HHD) versus an isokinetic dynamometer.
Read moreEffectiveness of an exercise training programme COPD in primary care: A randomized controlled trial
This study assessed the effectiveness of an exercise training programme in primary care.
Read moreValidation of a Motor-Cognitive Assessment for a Stepping Exergame in Older Adults: Use of Game-Specific, Internal Data Stream
The objective is to comprehensively validate an assessment tailored to an exergaming training program with motor-cognitive challenges.
Read moreWearable Solutions for Patients with Parkinson’s Disease and Neurocognitive Disorder: A Systematic Review
The aim of this systematic review is to find the use of sensor based wearable devices in the diagnosing and monitoring of PD patients, analyzing their role in enhancing PD patients’ quality of life (QoL) and clearly identifying how wearables can help in finding the results of various fitness and rehabilitation exercises.
Read moreFreezing of Gait in People with Parkinson’s Disease: Nature, Occurrence, and Risk Factors
Our aims were to: a) document the occurrence and nature of freezes, cognitive stops and stumbles in people with PD when completing simple, dual-task (DT) and a FOG eliciting condition; and b) identify disease- and medication-related factors associated with objectively measured freezing episodes.
Read moreMuscle Oxidative Capacity Is Reduced in Both Upper and Lower Limbs in COPD
This study determined whether muscle oxidative capacity is low in both upper and lower limbs of COPD patients compared with controls.
Read moreQuantifying Habitual Physical Activity and Sedentariness in Older Adults—Different Outcomes of Two Simultaneously Body-Worn Motion Sensor Approaches and a Self-Estimation
The aim of this study is to compare habitual PA and sedentariness, as assessed with (1) a wrist-worn actigraph, (2) a hybrid motion sensor attached to the lower back, and (3) a self-estimation based on a questionnaire.
Read moreThe London Chest Activity of Daily Living scale cut-off point to discriminate functional status in patients with chronic obstructive pulmonary disease
The objective was to determine the cut-off point for the London Chest Activity of Daily Living scale in order to better discriminate functional status. Secondarily, to determine which of the scores (total or %total) is better associated with clinical outcomes of a pulmonary rehabilitation program.
Read moreThe detection of age groups by dynamic gait outcomes using machine learning approaches
he purpose of the present study was to classify healthy young-middle aged, older adults and geriatric patients based on dynamic gait outcomes. Classification performance of three supervised machine learning methods was compared.
Read morePostural control in karate practitioners: Does practice make perfect?
Will the postural control of experienced karate practitioners be better than that of experienced swimmers, i.e., athletes with similar characteristics who do not practice under conditions that require upright postural control?
Read moreAre cost-effective technologies feasible to measure gait in older adults? A systematic review of evidence-based literature
The objective of this study is to provide an overview of gait assessment for older adults by investigating critical gait characteristics of older adults, discussing advantages and disadvantages of the current gait assessment technologies, as well as device applicability.
Read moreTossing and Turning in Bed: Nocturnal Movements in Parkinson’s Disease
This study assessed the prevalence of sleep disturbances and nocturnal hypokinesia in early and advanced PD and their relation to nonmotor symptoms and dopaminergic medication.
Read moreHow much do hospitalized adults move? A systematic review and meta-analysis
The aim was to quantify the type and duration of physical activity performed by hospitalized adults.
Read morePerformance difference on the six-minute walk test on tracks of 20 and 30 meters for patients with chronic obstructive pulmonary disease: validity and reliability
The objective was to compare the performance between the 6MWT on a 30- (6MWT30) and 20-meter (6MWT20) track; to evaluate the validity and reliability of the 6MWT30 and the 6MWT20; and to determine for which patients track length has the greatest impact on performance.
Read moreSeeing the world through different lenses: activity registration differs between two validated accelerometers
We aimed to investigate whether or not there were differences in non-worn time and type of activity registration between the Actigraph GT3X and DynaPort MoveMonitor in the first 10 participants of our study
Read moreValidity and reliability of wearable inertial sensors in healthy adult walking: a systematic review and meta-analysis
We aimed to conduct a systematic review and meta-analysis to determine the i) concurrent validity and ii) test-retest reliability of IMUs for measuring biomechanical gait outcomes during level walking in healthy adults.
Read moreDaily physical activity significantly improves after endobronchial valve treatment in patients with emphysema
For the first time, we investigated the effect of EBV treatment on daily physical activity in patients with severe emphysema, also to assess its potential as efficacy outcome parameter in this patient group.
Read moreGait quality assessed by trunk accelerometry after total knee arthroplasty and its association with patient related outcome measures
The aim of this study was to assess gait quality with accelerometers before and after surgery, and to assess added value of resulting parameters to patient reported outcome measures scores.
Read moreBarriers to and enablers of physical activity following a hospitalisation for COPD exacerbation
Little is known about the barriers and enablers of PA after these events and their relationship with objective PA
Read moreCurrent clinical utilisation of wearable motion sensors for the assessment of outcome following knee arthroplasty: a scoping review
Read morePhysical Activity in Daily Life, Exercise Capacity and Quality of Life in Patients with Crohn’s Disease on Infliximab-induced Remission: A Preliminary Study
To evaluate the physical activity in daily life, exercise capacity, quality of life, and prevalence of mood disorders in patients with moderate-to-severe Crohn’s disease on infliximab-induced remission and the possible associations among variables.
Read moreMulti-day Longitudinal Assessment of Physical Activity and Sleep Behavior Among Healthy Young and Older Adults Using Wearable Sensors
In the perspective of movement behavior, it is not well understood how are elderly different from younger ones. It is not known whether they produce only low frequency movement accelerations or the overall number of movements produced are reduced in elderly. It is also not known how elderly and younger ones perform movement transitions throughout the duration of a day and during night-time sleep.
Read moreQuality of Daily-Life Gait: Novel Outcome for Trials that Focus on Balance, Mobility, and Falls.
We propose that the quality of daily-life gait is a promising outcome for intervention studies that focus on improving balance and mobility and reducing falls.
Read moreBehavioural interventions targeting physical activity improve psychocognitive outcomes in COPD
This study explored the impact of a self-management behaviour modification (SMBM) programme with/without bronchodilators and with/without exercise training (ExT) to improve daily physical activity on psychological and cognitive outcomes in COPD patients as a secondary analysis of the PHYSACTO trial.
Read moreProgression of physical inactivity in COPD patients: the effect of time and climate conditions – a multicenter prospective cohort study
We aimed to assess the effect of time and climate conditions (temperature, day length and rainfall) on progression of PA in a cohort of COPD patients.
Read moreWavelet-Based Analysis of Physical Activity and Sleep Movement Data from Wearable Sensors among Obese Adults
The purpose of this study was to explore new clinically relevant metrics using movement amplitude and frequency from longitudinal wearable sensor data in obese and non-obese young adults.
Read moreGait analysis with wearables predicts conversion to Parkinson disease
The aim of this longitudinal prospective observational study was to establish gait impairments and trajectories in the prodromal phase of PD, identifying which gait characteristics are potentially early diagnostic markers of PD.
Read morePreliminary evidence for physical activity following pelvic exenteration: a pilot longitudinal cohort study
This pilot study aimed to: (i) Compare preoperative PA level between patients undergoing major cancer surgery and the general population; (ii) describe PA trajectories following major cancer surgery; (iii) Compare objective versus subjective PA measures in patients undergoing major cancer surgery; and (iv) Investigate the association between preoperative PA level and postoperative outcomes.
Read moreDifferential Associations Between Distinct Components of Cognitive Function and Mobility: Implications for Understanding Aging, Turning and Dual-Task Walking
The current study sought to parse out the differential associations in a healthy cohort by generating a relatively large matrix of the cognitive and motor measurements. Such an approach can improve the sensitivity to detect relationships between mobility and cognition.
Read moreTrunk inclination and hip extension mobility, but not thoracic kyphosis angle, are related to 3D-accelerometry based gait alterations and increased fall-risk in older persons
Are spinal posture and mobility related to 3D-accelerometry based gait analysis, functional performance and fall-risk in ageing?
Read moreDifferent combinations of mobility metrics derived from a wearable sensor are associated with distinct health outcomes in older adults
We examined if combinations of gait speed and other mobility metrics are associated with specific health outcomes.
Read moreOlder People with Dementia Have Reduced Daily-Life Activity and Impaired Daily-Life Gait When Compared to Age-Sex Matched Controls
The aim of the study was to assess differences in daily-life activity levels and gait characteristics between community-dwelling older people with mild to moderate dementia (n = 45; mean age 81±6 years, 42% female) and age-sex matched (1:2) cognitively-healthy controls (n = 90).
Read moreQuantitative mobility metrics from a wearable sensor predict incident parkinsonism in older adults
Mobility metrics derived from wearable sensor recordings are associated with parkinsonism in older adults. We examined if these metrics predict incident parkinsonism.
Read moreNew Sensor and Wearable Technologies to Aid in the Diagnosis and Treatment Monitoring of Parkinson’s Disease
New sensor-based and wearable technologies are progressively revolutionizing PD care by objectively measuring these manifestations and improving PD diagnosis and treatment monitoring. However, their use is still limited in clinical practice, perhaps because of the absence of external validation and standards for their continuous use at home. In the near future, these systems will progressively complement traditional tools and revolutionize the way we diagnose and monitor patients with PD.
Read moreImpact of Home Oxygen Therapy on the Level of Physical Activities in Daily Life in Subjects With COPD.
he objective of this study was to compare the level of PADL in subjects with COPD on home oxygen therapy and in subjects with no oxygen therapy, and to investigate whether home oxygen therapy is associated with the level of PADL.
Read moreSex differences in COPD-related quadriceps muscle dysfunction and fibre abnormalities
We investigated sex differences in the prevalence of quadriceps dysfunction and fibre abnormalities in a large COPD cohort, controlling for the normal sex differences in health.
Read moreEffectiveness of high intensity interval training supplemented with peripheral and inspiratory resistance training in chronic heart failure: a pilot study
The use of high intensity interval training (HIIT) supplemented with peripheral (PRT) and inspiratory resistance training (IRT) might be more beneficial because of the higher impact on the peripheral and inspiratory muscles, with less symptoms of dyspnoea and lower amount of dropouts as a result. We compared our standard exercise-based CR programme, mainly consisting of moderate intensity interval training to a programme combining HIIT, PRT and IRT (resistance training supplemented HIIT (RHIIT) programme).
Read moreValidity of three accelerometers to investigate lying, sitting, standing and walking
The aim of this study was to assess the criterion validity of three accelerometers to measure lying, sitting, standing and walking.
Read moreDeterminants of study completion and response to a 12-month behavioral physical activity intervention in chronic obstructive pulmonary disease: A cohort study
To help to tailor future interventions we aimed to identify the baseline characteristics of COPD patients which predict 12-month completion and response to a behavioral physical activity intervention.
Read moreGait speed assessed by a 4-meter walk test is not representative of daily-life gait speed in community-dwelling adults
The aim of this study was to compare 4-m gait speed to the distribution of daily-life gait speed.
Read moreDual vs. Single Tasking During Circular Walking: What Better Reflects Progression in Parkinson’s Disease
The aim of this study was to quantitatively identify markers of progressive gait deficits in idiopathic PD while walking over a circular trajectory condition in single-task walking and in different dual-task conditions: (1) circular walking while checking boxes on a paper sheet as fast as possible and (2) circular walking while performing subtraction of 7 as fast as possible. In addition, we aimed to study the added value of dual-tasking assessment over single (circular) walking task assessment in the study of PD progression.
Read moreEffect and feasibility of non-linear periodized resistance training in people with COPD: study protocol for a randomized controlled trial
This is an international, multicenter, randomized controlled trial comparing the effect and feasibility of non-linear periodized resistance training to traditional non-periodized resistance training in people with COPD.
Read moreCapturing Parkinson’s disease heterogeneity with quantitative mobility measures (S10.006)
To evaluate clinic-based, quantitative mobility measures using a wearable sensor in comparison with standard clinic assessment for characterization of Parkinson’s disease (PD) heterogeneity, including motor subtypes, cognition, and disability.
Read moreMultifactorial intervention for hip and pelvic fracture patients with mild to moderate cognitive impairment: study protocol of a dual-centre randomised controlled trial (OF-CARE)
The main aim of this study is to investigate the effects of a transitional care intervention after inpatient rehabilitation on physical activity and functional performance in this group of cognitively impaired patients.
Read moreEffects of intradialytic resistance training on physical activity in daily life, muscle strength, physical capacity and quality of life in hemodialysis patients: a randomized clinical trial
We evaluated the effects of supervised intradialytic resistance training on physical activity in daily life (PADL), muscle strength, physical capacity and quality of life (QoL) in hemodialysis patients.
Read moreThe efficacy of school-based interventions to increase MVPA and MBSE outcomes in adolescent males. A Systematic Review and Meta-Analysis
The purpose of this systematic review and meta-analysis was to investigate the efficacy of school-based interventions to increasemoderate to vigorous physical activity(MVPA)and muscle and bone strengthening exercise (MBSE)outcomes in adolescent males.
Read moreBaseline characteristics associated to improvement of patients with COPD in physical activity in daily life level after pulmonary rehabilitation
To compare baseline characteristics between patients who achieved and failed to achieve the minimal important difference (MID) of PADL post-PR; to verify which baseline variables better predict the change and identify a cut-off point to discriminate MID achievers.
Read moreThe London Chest Activity of Daily Living scale cut-off point to discriminate functional status in patients with chronic obstructive pulmonary disease
To determine the cut-off point for the London Chest Activity of Daily Living scale in order to better discriminate functional status. Secondarily, to determine which of the scores (total or %total) is better associated with clinical outcomes of a pulmonary rehabilitation program.
Read moreActivity monitors in pulmonary disease
This narrative review summarizes the current evidence of use of activity monitors in COPD, interstitial lung disease, asthma, pulmonary arterial hypertension, cystic fibrosis and lung transplant patients for the purposes of prognostication, monitoring, outcome measures and intervention.
Read moreDepressive symptoms may increase the risk of the future development of freezing of gait in patients with Parkinson’s disease: Findings from a 5-year prospective study
We aim to explore which symptoms are associated with future development of FOG in non-freezers.
Read moreMeasuring physical activity levels in hospitalized patients: a comparison between behavioural mapping and data from an accelerometer
The aim of this study is to investigate the level of agreement between the behavioural mapping method and an accelerometer to measure physical activity levels in hospitalized patients.
Read more“Can do” versus “do do”: A Novel Concept to Better Understand Physical Functioning in Patients with Chronic Obstructive Pulmonary Disease
The current study had two aims: (1) to determine the distribution of patients with COPD over the PC-PA quadrants, and (2) to explore whether differences exist in clinical characteristics between these quadrants.
Read moreThe Impact of Paratonia on Fine and Gross Motor Function in Older Adults With Mild and Moderate Dementia
Paratonia, a form of hypertonia, is often present in severe dementia. However, little is known about muscle tone in early dementia, and the eventual relation between muscle tone abnormalities and changes in fine and gross motor function.
Read moreWindows into human health through wearables data analytics
The aim of this review is to highlight a selected group of fitness- and health-related indicators from wearables data and to describe several algorithmic approaches used to generate these higher order indicators.
Read moreBench stepping with incremental heights improves muscle volume, strength and functional performance in older women
This study determined the effects of a 12-week stepping program using incremental step heights (STEEP), on muscle volume, strength, power, functional ability and balance performance in older women.
Read morePotential Markers of Progression in Idiopathic Parkinson’s Disease Derived From Assessment of Circular Gait With a Single Body-Fixed-Sensor: A 5 Year Longitudinal Study
This study aimed to provide quantitative markers of progression in idiopathic PD from the assessment of circular gait (walking in circles) with a single body-fixed inertial sensor placed on the lower back.
Read moreOverview of the Cholinergic Contribution to Gait, Balance and Falls in Parkinson’s Disease
This review will focus on the three different measurement techniques – pharmacological, imaging and electrophysiological – to collate current evidence for the role of the cholinergic system in gait, balance, and falls in PD.
Read moreProgressive Gait Deficits in Parkinson’s Disease: A Wearable-Based Biannual 5-Year Prospective Study
Longitudinal changes in gait parameters from a lower-back sensor under convenient and challenging walking conditions in early- and mid-stage PD patients (E-PD, M-PD) compared to controls were investigated.
Read moreAccelerometer Based Stair Climbing in Healthy Subjects: Reference Data and Demographic Differences
To assess the four FITT components of physical activity with an accelerometer during daily life circumstances and compare with self-reported levels of physical activity in patients with knee osteoarthritis (OA) and a healthy control group.
Read moreWearable Sensor Technology to Measure Physical Activity (PA) in the Elderly
The goal of this paper is to provide a review of recent work on the use of wearable devices for measuring physical activity (PA) in the elderly.
Read moreA Survey of Assistive Technologies for Assessment and Rehabilitation of Motor Impairments in Multiple Sclerosis
The main purpose of this survey is to present the available assistive technologies used in MS, providing researchers and clinicians with the different approaches (sensors, robots) used to augment both assessment and rehabilitation approaches for different types of motor impairments (lower/upper body).
Read morePhysical Activity Assessment in Children and Adolescents
This article summarises the strengths and limitations of the methods used to evaluate physical activity in children and adolescents.
Read moreAssessment of balance in unsupported standing with elderly inpatients by force plate and accelerometers
The aim of this study was to show possible change in the association between force platform measurement at floor level and accelerometry at hip level in elderly inpatients standing unsupported during rehabilitation.
Read moreTowards Using the Instrumented Timed Up-and-Go Test for Screening of Sensory System Performance for Balance Control in Older Adults
The aim of this study was to evaluate the association between TUG subphases and performance of the sensory system in an explorative sample.
Read morePattern of Habitual Physical Exercise in Myasthenia Gravis Patients
Objective: To evaluate baseline patterns of physical and sedentary behavior in MG patients.
Read moreVirtual reality gait training versus non-virtual reality gait training for improving participation in subacute stroke survivors: Study protocol of the ViRTAS randomized controlled trial
The primary aim of this study is to examine the effect of VR gait training on participation in community-living people after stroke.
Read moreThe transition between turning and sitting in patients with Parkinson’s disease: A wearable device detects an unexpected sequence of events
In the present study, we evaluated what strategy is employed by patients with Parkinson’s disease (PD) when they transition from turning to sitting.
Read moreAttitudes Towards Adapted Lifestyle-Integrated Functional Exercise Developed for 60–70-Year-Olds: Perceptions of Participants and Trainers
This study tested whether an adapted Lifestyle-integrated Functional Exercise (aLiFE) programme is suitable for adults aged 60–70 years.
Read moreA body-fixed-sensor-based analysis of stair ascent and sit-to-stand to detect age-related differences in leg-extensor power
We investigated whether a body-fixed sensor-based analysis of power during stair ascent (SA) and sit-to-stand (STS) is positively related to LEP and whether its ability to detect age-related declines is similar.
Read moreMinimal change in physical activity after lower limb joint arthroplasty, but the outcome measure may be contributing to the problem: a systematic review and meta-analysis
The aims of this systematic review were to determine if PA levels improve after TKA or THA, and whether outcome measures and devices used to measure PA contribute to contradictory results in PA reporting by published studies.
Read moreThe Adapted Lifestyle-Integrated Functional Exercise Program for Preventing Functional Decline in Young Seniors: Development and Initial Evaluation
We aimed to (1) develop an intervention by adapting Lifestyle-integrated Functional Ex-ercise (aLiFE) to be more challenging and suitable for pre-venting functional decline in young seniors in their 60s and (2) perform an initial feasibility evaluation of the program.
Read moreThe benefits and tolerance of exercise in myasthenia gravis (MGEX): Study protocol for a randomised controlled trial
The aim of this study is to evaluate the benefits on perceived quality of life (QOL) and physical fitness of a home-based physical exercise program compared to usual care, for patients with stabilised, generalised auto-immune MG.
Read moreResilience to cognitive impairment in the oldest-old: design of the EMIF-AD 90+ study
In this paper we reviewed previous studies on cognitive resilience in the oldest-old and described the design of the EMIF-AD 90+ Study.
Read moreCharacterization of COPD patients with severe airflow limitation and high physical activity
To identify the socio-environmental, clinical and functional characteristics of patients with severe lung function and high levels of PA.
Read moreThe likelihood of improving physical activity after pulmonary rehabilitation is increased in patients with COPD who have better exercise tolerance
This study explored the relationship between baseline exercise tolerance and changes in PA after PR.
Read moreCELEB trial: Comparative Effectiveness of Lung volume reduction surgery for Emphysema and Bronchoscopic lung volume reduction with valve placement: a protocol for a randomised controlled trial
We describe the protocol of the CELEB study, a randomised controlled trial which will compare outcomes at 1 year between the two procedures, using a composite disease severity measure, the iBODE score, which includes body mass index, airflow obstruction, dyspnoeaand exercise capacity (incremental shuttle walk test).
Read morePostural Patterns of the Subjects with Vergence Disorders: Impact of Orthoptic Re-education, a Pilot Study
Vergence insufficiency is a common oculomotor disorder which causes visual but also general, and even postural symptoms. This study aimed to characterise postural control of subjects with isolated vergence disorder and assess whether orthoptic therapy affects it.
Read moreLong-term efficacy and effectiveness of a behavioural and community-based exercise intervention (Urban Training) to increase physical activity in patients with COPD: a randomised controlled trial
We assessed 12-month efficacy and effectiveness of the Urban Training intervention on physical activity in COPD patients.
Read moreDaily physical activity in patients with severe eosinophilic asthma and the effect of anti-IL5 therapy.
We aimed to investigate the overall levels of DPA in patients with severe eosinophilic asthma and whether anti-IL-5 therapy, on top of existing, maximal, and optimised asthma treatment, may improve DPA in this patient population.
Read moreCholinergic Pathway SNPs and Postural Control in 477 Older Adults
To determine whether single nucleotide polymorphisms (SNPs) of the cholinergic system and quantitative parameters of postural control are associated in healthy older adults. This is a cross-sectional analysis from the TREND study.
Read moreThe COPDnet integrated care model
This research project sets out to design an integrated disease management model for patients with COPD who were referred to a secondary care setting and who qualified for pharmacological and nonpharmacological intervention options.
Read moreBoth moderate and severe exacerbations accelerate physical activity decline in COPD patients
We assessed the effect of exacerbation on one-year PA changes in COPD patients.
Read moreThe effect of walking speed on quality of gait in older adults
How does walking speed affect gait quality characteristics in older people?
Read moreThe association between age and accelerometry-derived types of habitual daily activity: an observational study over the adult life span in the Netherlands
This paper describes how the habitual types of physical activity and sedentary behaviour associate with age, to provide more detailed insight into the variation in physical activity across the lifespan.
Read moreComplexity of Daily Physical Activity Is More Sensitive Than Conventional Metrics to Assess Functional Change in Younger Older Adults
This study aimed at analyzing the relevance of a multivariate complexity metric in assessment of functional change in younger older adults.
Read moreRandomised controlled trial of adjunctive inspiratory muscle training for patients with COPD
This study aimed to investigate whether adjunctive inspiratory muscle training (IMT) can enhance the well-established benefits of pulmonary rehabilitation (PR) in patients with COPD.
Read moreThe effects of dual tasking on gait synchronization during over-ground side-by-side walking
This study employed a dual tasking paradigm in order to investigate the role attention plays in gait synchronization.
Read moreGenetic variants predicting aerobic capacity response to training are also associated with skeletal muscle oxidative capacity in moderate-to-severe COPD
We hypothesized that 11 SNPs, previously associated with the increase in V̇O2max following exercise training, would correlate with k in 152 non-Hispanic White and African American smokers with and without COPD.
Read moreBest Protocol for the Sit-to-Stand Test in Subjects with COPD
We sought to correlate each protocol of the STS (ie, the 5-repetition [5-rep STS], the 30-s STS, and the 1-min STS) with clinical outcomes in subjects with COPD. We also aimed to compare the 3 protocols of the STS, to verify their association and agreement, and to verify whether the 3 protocols are able to predict functional exercise capacity and physical activity in daily life (PADL).
Read moreDeep Learning to Predict Falls in Older Adults Based on Daily-Life Trunk Accelerometry
We studied whether deep learning methods from machine learning are suited to automatically derive features from raw accelerometer data that assess fall risk.
Read moreFree-living and laboratory gait characteristics in patients with multiple sclerosis
The aim of this study was to characterise gait in both laboratory and daily life conditions for a group of patients with moderate to severe ambulatory impairment due to Multiple Sclerosis. To this purpose, algorithms to detect and characterise gait from wearable inertial sensors data were also validated.
Read moreHeart Rate Recovery, Physical Activity Level, and Functional Status in Subjects With COPD
This study sought to compare physical activity patterns and subjects' functional status with COPD with or without delayed 1-min heart rate recovery after the 6-min walk test (6MWT).
Read moreEffect of Bronchodilation and Exercise Training with Behavior Modification on Exercise Tolerance and Downstream Effects on Symptoms and Physical Activity in COPD
The objective was to assess whether tiotropium/olodaterol, ± exercise training, would improve exercise endurance time and physical activity compared with placebo in patients participating in a self-management behavior-modification program.
Read moreOlder Adults with Weaker Muscle Strength Stand up from a Sitting Position with More Dynamic Trunk Use
The aim of this study was to determine whether measurements of Sit-to-Stand (STS) movements using body-fixed sensors yield parameters that are informative regarding changes in STS performance in older adults with reduced muscle strength.
Read moreAccelerometry-Based Quantitative Analysis of Mobility in Parkinson Disease
To identify quantitative measures of mobility that correlate with the severity of Parkinson disease (PD), using a wearable triaxial accelerometer/gyroscope (Dynaport MT; DMT).
Read moreSelf-perceived gait stability modulates the effect of daily life gait quality on prospective falls in older adults
We investigated whether perceived gait stability modulates the association between gait quality and falling in older adults.
Read moreWearable Sensor-based Gait Classification in Idiopathic Toe Walking Adolescents
The aim of this study was to investigate if learning algorithms utilizing triaxial accelerometers and gyroscopes from wearable sensors could detect and differentiate heel-toe gait versus toe-toe gait.
Read morePhysical activity in the morning and afternoon is lower in patients with chronic obstructive pulmonary disease with morning symptoms
The primary aim of this study was to examine physical activity during the course of the day depending on morning symptoms in patients with COPD. In addition, self-reported physical activity was assessed to better understand which types of activities were generally undertaken.
Read moreImproved Prediction of Falls in Community-Dwelling Older Adults Through Phase-Dependent Entropy of Daily-Life Walking
In this study we introduce a new entropy measure, called phase-dependent generalized multiscale entropy (PGME), and test whether this measure improves fall-risk prediction in community-dwelling older adults.
Read moreThe association between objectively measured physical activity, depression, cognition, and health-related quality of life in Parkinson’s disease
This study evaluated the influence of quantitative physical activity parameters among other (disease-related) features representing other domains of the WHO International model for classification of Function, Disability, and Health (ICF) on HRQoL in patients with Parkinson's Disease.
Read moreThe Glittre-ADL Test Cut-Off Point to Discriminate Abnormal Functional Capacity in Patients with COPD.
The study objective was to determine a cut-off point for the Glittre activities of daily living (ADL)test (TGlittre) to discriminate patients with normal and abnormal functional capacity.
Read moreExergames to Improve the Mobility of Long-Term Care Residents: A Cluster Randomized Controlled Trial
This study investigated the effect of a group-based Xbox Kinect (Microsoft Corp., Redmond, WA) exergame program on mobility in Long-Term Care residents with and without cognitive impairment.
Read moreTurn Around Freezing: Community-Living Turning Behavior in People with Parkinson’s Disease
We hypothesized that the quantity and quality of turning mobility while walking during daily life would be different among subjects with PD with and without FoG.
Read moreModified Medical Research Council Dyspnea Scale in GOLD Classification Better Reflects Physical Activities of Daily Living
Considering that physical activities of daily living (PADL) is an important functional outcome in COPD, the objective of this study was to determine which symptom assessment instrument is more strongly associated with and differentiates better the PADL of patients with COPD.
Read moreCalibration of raw accelerometer data to measure physical activity: A systematic review
Most of calibration studies based on accelerometry were developed using count-based analyses. In contrast, calibration studies based on raw acceleration signals are relatively recent and their evidences are incipient. The aim of the current study was to systematically review the literature in order to summarize methodological characteristics and results from raw data calibration studies. The
Read moreDevelopment of a home-based training program for post-ward geriatric rehabilitation patients with cognitive impairment: study protocol of a randomized-controlled trial
The aim of this study is to evaluate the efficacy of a feasible and cost-effective home-based training program to improve motor performance and to promote physical activity, specifically-tailored for post-ward geriatric patients with CI.
Read moreOxygen Desaturation in Daily Life and During a Laboratory-Based Protocol of Activities of Daily Living in COPD: Is There Relationship?
The purpose of the study was to analyze the relationship between oxygen desaturation episodes during a laboratory-based ADL protocol and in real-life routine in patients with stable chronic obstructive pulmonary disease (COPD).
Read moreValidity and Reliability of Accelerometers in Patients With COPD
The purpose of this systematic review was to compare the validity and reliability of accelerometers used in patients with COPD.
Read moreFat-free mass depletion in patients with COPD in Brazil: development of a new cutoff point and its relation with mortality and extrapulmonary manifestations.
This cross-sectional study aims to develop and validate a cutoff point for FFM depletion based on Brazilian patients with chronic obstructive pulmonary disease (COPD) and to verify its association and of previously published cutoffs with extrapulmonary manifestations.
Read moreThe association between objectively measured physical activity and morning symptoms in COPD
The primary objective of the Morning symptoms in-Depth observAtional Study (MODAS) was to assess the severity of morning symptoms in different Global Initiative for Obstructive Lung Disease (GOLD) stages. The secondary objective was to evaluate the association between dyspnea severity, health status, airflow limitation, lung hyperinflation, anxiety and depression, inflammatory parameters, exacerbations, objectively measured physical activity parameters and morning symptom severity.
Read moreA study of clinical and physiological relations of daily physical activity in precapillary pulmonary hypertension
We sought to investigate clinical and physiological relations of daily physical activity and profile differences between less and more active patients with precapillary Pulmonary Hypertension.
Read moreValidation of a step detection Algorithm during straight Walking and turning in Patients with Parkinson’s disease and older Adults Using an Inertial Measurement Unit at the Lower Back
The aim of this study was to validate an acceleration-based step detection algorithm for patients with Parkinson’s disease (PD) and older adults in both a lab-based and home-like environment.
Read morePhysical Activity Monitoring in Patients with Neurological Disorders: A Review of Novel Body-Worn Devices
The aim was to conduct a systematic review to examine the literature reporting the validity and reliability of wearable physical activity monitoring in individuals with neurological disorders.
Read moreAssociation Between Quantitative Gait and Balance Measures and Total Daily Physical Activity in Community-Dwelling Older Adults
This study examined the extent to which quantitative measures of gait and balance abilities were associated with total daily physical activity, controlling for a variety of potential covariates.
Read moreFractional Stability of Trunk Aceleration Dynamics of Daily-Life Walking: Toward a Unified Concept of Gait Stability
Here we apply a general non-exponential construct of gait stability, called fractional stability, which can define dynamic stability in the presence of phase transitions.
Read morePeople with Dementia Can Learn Compensatory Movement Maneuvers for the Sit-to-Stand Task: A Randomized Controlled Trial
The objective was to determine whether a dementia-specific motor learning exercise program enables people with dimentia to learn compensatory STS maneuvers commonly taught in geriatric rehabilitation therapy to enhance patients’ STS ability.
Read moreACTIVATE: the effect of aclidinium/formoterol on hyperinflation, exercise capacity, and physical activity in patients with COPD
The Phase IV, 8-week, randomized, double-blind, placebo-controlled ACTIVATE study (NCT02424344) evaluated the effect of aclidinium/formoterol (AB/FF) 400/12 μg twice daily on lung hyperinflation, exercise capacity, and physical activity in patients with moderate-to-severe COPD.
Read moreReeducation of vergence dynamics improves postural control
The purpose was to investigate the effect of vergence reeducation on postural control, in subjects with isolated vergence disorders.
Read moreEffects of Standardized Home Training in Patients with Cognitive Impairment following Geriatric Rehabilitation: A Randomized Controlled Pilot Study
The objective was to determine what the effect was of a standardized home-based training program in geriatric patients with cognitive impairment following ward-based rehabilitation.
Read moreThe impact of physical exercise on neuromuscular function in Myasthenia gravis patients
How physical exercise affects muscle parameters and risk factors for lifestyle diseases in patients with MG is, however, only poorly known.
Read moreDual-Task Performance in GBA Parkinson’s Disease
This study compared the dual tasking performances between GBA-Parkinson's Disease and idiopathic Parkinson’s Disease patients.
Read moreInstrumented Assessment of Physical Activity Is Associated With Muscle Function but Not With Muscle Mass in a General Population
Self-reported physical activity has shown to affect muscle-related parameters. As self-report is likely biased, this study aimed to assess the association between instrumented assessment of physical activity (I-PA) and muscle-related parameters in a general population.
Read moreValidation of accuracy of SVM-based fall detection system using real-world fall and non-fall datasets
In this study, we examined the accuracy of a fall detection system based on real-world fall and non-fall data sets.
Read moreInternet-based support for selfmanagement strategies for people with COPD–protocol for a controlled pragmatic pilot trial of effectiveness and a process evaluation in primary healthcare
This pilot trial aims to evaluate the feasibility of the study design and study procedures considering effectiveness of the novel intervention, the COPD-web.
Read moreBehavioural activation by mental health nurses for late-life depression in primary care: a randomized controlled trial
The primary objective of this study is to compare the effectiveness and cost-effectiveness of BA in comparison with treatment as usual (TAU) for late-life depression in Dutch primary care. A secondary goal is to explore several potential mechanisms of change, as well as predictors and moderators of treatment outcome of BA for late-life depression.
Read moreA Review of Activity Trackers for Senior Citizens: Research Perspectives, Commercial Landscape and the Role of the Insurance Industry
This paper reviews the adoption of wearable devices in senior citizens by describing various researches for monitoring physical activity indicators, such as energy expenditure, posture transitions, activity classification, fall detection and prediction, gait and balance analysis, also by adopting consumer-grade fitness trackers with the associated limitations regarding acceptability.
Read moreGait dynamics to optimize fall risk assessment in geriatric patients admitted to an outpatient diagnostic clinic
The present study aims to statistically model categories of fall risk factors that identify geriatric fallers with the highest sensitivity and specificity, with a focus on gait.
Read moreGait Is Associated with Cognitive Flexibility: A Dual-Tasking Study in Healthy Older People
The objective was to analyze which gait parameters are primarily influenced by cognitive flexibility, and whether such an effect depends on the walking condition used.
Read moreInertial Sensors to Assess Gait Quality in Patients with Neurological Disorders: A Systematic Review of Technical and Analytical Challenges
This systematic review critically compares InertiaLocoGraphy protocols, questions features extracted from inertial signals and proposes a semeiological analysis of clinimetric characteristics for use in neurological clinical routine.
Read moreIs the Assessment of 5 Meters of Gait with a Single Body-Fixed-Sensor Enough to Recognize Idiopathic Parkinson’s Disease-Associated Gait?
Based on the assessment of only 5 meters of gait with a single body-fixed-sensor placed on the lower back, this study presents a method for the identification of step-by-step kinematic parameters in 14 healthy controls and in 28 patients at early-to-moderate stages of idiopathic PD.
Read moreSedentary Behavior Is an Independent Predictor of Mortality in Subjects With COPD
The aim of this work was to investigate the impact of sedentary behavior on mortality of subjects with COPD and to propose a cutoff point of sedentarism with prognostic value.
Read moreHome-Based Physical Behavior in Late Stage Parkinson Disease Dementia: Differences between Cognitive Subtypes
In this pilot study, home-based physical behavior was assessed to examine whether it is possible to distinguish mild cognitive impairment (PD-MCI) from PDD.
Read moreSocio-environmental correlates of physical activity in patients with chronic obstructive pulmonary disease (COPD)
The aim was to assess the relationship between novel socio-environmental factors, namely dog walking, grandparenting, neighbourhood deprivation, residential surrounding greenness and residential proximity to green or blue spaces, and amount and intensity of physical activity in COPD patients.
Read moreDiaphragmatic mobility: relationship with lung function, respiratory muscle strength, dyspnea, and physical activity in daily life in patients with COPD
To evaluate diaphragmatic mobility in relation to lung function, respiratory muscle strength, dyspnea, and physical activity in daily life (PADL) in patients with COPD.
Read morePhysical activity is increased by a 12-week semiautomated telecoaching programme in patients with COPD: a multicentre randomised controlled trial
The objective was to investigate the effectiveness of a 12-week semiautomated telecoaching intervention on PA in patients with COPD in a multicentre European randomised controlled trial.
Read moreDevelopment, Validity and Reliability of the Londrina Activities of Daily Living Protocol for Subjects With COPD
The aim of the present study was to develop a standardized protocol to evaluate ADL performance in subjects with COPD (Londrina ADL protocol) and to assess the validity and reliability of the protocol in this population.
Read moreFall-related gait characteristics on the treadmill and in daily life
The present study aimed to assess differences as well as associations between fall-related gait characteristics measured on a treadmill and in daily life.
Read moreVibrotactile Biofeedback System and Bilateral Vestibular Loss: Pilot Study
In this pilot study, subjects with BVL used the Vibrotactile Biofeedback System (VBS).
Read moreActive ocular vergence improves postural control in elderly as close viewing distance with or without a single cognitive task
The purpose of this study is to measure the effects of vision, active vergence eye movements, viewing distance/vergence angle and a simple cognitive task on postural control during an upright stance, in completely autonomous elderly individuals.
Read moreSocial and environmental determinants of physical activity in patients with chronic obstructive pulmonary disease (COPD)
The aim was to assess the association between patients' social and environmental characteristics, and PA amount and intensity.
Read moreNutritional status and its relationship with different dimensions of functional status in patients with chronic obstructive pulmonary disease
To investigate whether there is a relationship between nutritional status and limitations in activities of daily living in patients with chronic obstructive pulmonary disease.
Read moreHow much time spent per day in sedentary behavior increases mortality risk in patients with COPD?
To propose a cut-off point for sedentarism in patients with COPD and to investigate its association with mortality. Methods: In this retrospective cohort study, sedentary behaviour was assessed with two activity monitors (DynaPort and Sensewear armband) in 101 patients with COPD from 2006 to 2011.
Read moreTransition Between the Timed up and Go Turn to Sit Subtasks: Is Timing Everything?
We tested the hypothesis that longer transition durations between the final turn to the sitting subtasks are associated with worse motor and cognitive performance in older adults.
Read moreCan a single lower trunk body-fixed sensor differentiate between level-walking and stair descent and ascent in older adults? Preliminary findings
We aim to differentiate between level-walking and between stair descent and ascent using a single body fixed sensor, a 3D accelerometer integrated with a 3D gyroscope placed on the lower trunk in healthy older adults.
Read moreThe Instrumented Sit-to-Stand Test (iSTS) Has Greater Clinical Relevance than the Manually Recorded Sit-to-Stand Test in Older Adults
The purpose of the current study was to examine the hypothesis that test durations as assessed with the instrumented repeated Sit-To-Stand (STS) show stronger associations with health status, functional status and daily physical activity of older adults than manually recorded test durations.
Read moreDaily-Life Gait Quality as Predictor of Falls in Older People: A 1-Year Prospective Cohort Study
We determined the relationship between the likelihood of fall incidents and daily-life behavior. We used wearable sensors to assess habitual physical activity and daily-life gait quality (in terms of e.g. stability, variability, smoothness and symmetry), and determined their predictive ability for time-to-first-and-second-falls.
Read moreMultivariate Analyses and Classification of Inertial Sensor Data to Identify Aging Effects on the Timed-Up-and-Go Test
The first aim of our study was to identify variables extracted from the instrumented timed-up-and-go (iTUG) that most effectively distinguished performance differences across age (age 18–75). Second, we determined the discriminative ability of those identified variables to classify a younger (age 18–45) and older age group (age 46–75).
Read moreDepression symptoms reduce physical activity in COPD patients: A prospective multicenter study
We prospectively assessed the effect of symptoms of anxiety and depression on PA in COPD patients.
Read moreImprovement of physical activity after endobronchial valve treatment in emphysema patients
We investigated the impact of endobronchial valve treatment on physical activity in severe emphysema patients.
Read moreMonitoring Physical Activities in Daily Life in Patients with Pulmonary Arterial Hypertension and COPD
The aim of this study was to evaluate the PADL profile of PH and COPD patients in comparison with healthy controls.
Read moreObjective characterization of daily living transitions in patients with Parkinson’s disease using a single body-fixed sensor
We aimed to test whether BFS-derived measures of transitions differ between patients with PD and healthy controls, and to evaluate whether there are differences among patients with mild PD, compared to more severe patients, and to controls.
Read moreThe Glittre-ADL test reflects functional performance measured by physical activities of daily living in patients with chronic obstructive pulmonary disease
To investigate whether the TGlittre reflects the functional performance of COPD patients and whether the necessary time to complete the TGlittre and the PADL varies according to disease severity.
Read moreA novel accelerometry-based algorithm for the detection of step durations over short episodes of gait in healthy elderly
The aim of this study was to evaluate the accuracy of a novel algorithm based on acceleration signals recorded at different human locations (lower back and heels) for the detection of step durations over short episodes of gait in healthy elderly subjects.
Read moreMinimal correlation between physical exercise capacity and daily activity in patients with intermittent claudication
A cross-sectional study was conducted to assess the association between several physical exercise capacity outcomes and physical activity in a general intermittent claudication population.
Read moreQuantitative Timed-Up-and-Go Parameters in Relation to Cognitive Parameters and Health-Related Quality of Life in Mild-to-Moderate Parkinson’s Disease
We were interested in the relative contributions of respective iTUG sub-phases to specific clinical deficits most relevant for daily life in Parkinson’s disease (PD).
Read moreA comparison study of local dynamic stability measures of daily life walking in older adult community-dwelling fallers and non-fallers
In the present study we compared the performance of three different estimations of local dynamic stability λ to distinguish between the dynamics of the daily-life walking of elderly fallers and non-fallers.
Read moreValidity of an Accelerometer-Based Activity Monitor System for Measuring Physical Activity in Frail Elderly
This study aimed to investigate the validity of the accelerometer-based DynaPort system to detect physical activity in frail elderly subjects.
Read morePhysical Activity Characteristics across GOLD Quadrants Depend on the Questionnaire Used
This study investigated differences in physical activity (PA) in the different GOLD quadrants and patient’s distribution in relation to the questionnaire used.
Read moreCerebral Microbleeds and Lacunar Infarcts Are Associated with Walking Speed Independent of Cognitive Performance in Middle-Aged to Older Adults
We studied whether the relationship between brain structure and physical performance is independent of cognitive performance.
Read moreThe complexity of daily life walking in older adult community-dwelling fallers and non-fallers
The present study investigates complexity in daily life walking in community-dwelling older adult fallers and non-fallers measured by a 3D inertial accelerometer sensor fixed to the lower back.
Read moreEffects of narrow base gait on mediolateral balance control in young and older adults
The aim of this study was to examine the effect of narrowing step width on mediolateral (ML) center of mass (COM) kinematics and margin of stability (MOS) in young and older adults.
Read moreThe validity of assessing temporal events, sub-phases and trunk kinematics of the sit-to-walk movement in older adults using a single inertial sensor
The aim of this study was to develop a method to identify temporal events, sub-phases and trunk kinematics of the sit-to-walk (STW) using a single inertial sensor (IS) worn at the lower back and to determine the validity of this method.
Read moreA systematic review of the characteristics and validity of monitoring technologies to assess Parkinson’s disease
This study proposes a systematic review of current literature aiming to (i) list, (ii) compare and (iii) classify technology-based devices that objectively measure PD motor symptoms.
Read moreIntra-Rater, Inter-Rater and Test-Retest Reliability of an Instrumented Timed Up and Go (iTUG) Test in Patients with Parkinson’s Disease
The aim of this study was to determine intra-rater, inter-rater and test-retest reliability of the iTUG in patients with Parkinson’s Disease.
Read moreDecreased physical activity in adults with bronchial asthma
The present study was designed to compare physical activity, objectively measured with an activity monitor, between adults with bronchial asthma and apparently healthy controls.
Read moreCan health status questionnaires be used as a measure of physical activity in COPD patients?
The aims of the present analyses were 1) to describe the relationship between objectively measured physical activity and responses to health status questionnaires, and 2) to assess the utility of these questionnaires to screen for severe physical inactivity (SPI) in this population.
Read morePatient satisfaction after TKA: Influence of the functional rehabilitation
The purpose of this study was to investigate the correlation between the preoperative function and the postoperative patient reported outcomes PROMs) as well as the influence of the postoperative functional rehabilitation on the PROMs.
Read moreThe Association of Medication-Use and Frailty-Related Factors with Gait Performance in Older Patients
It was aimed in the present study to explore the association between the use of psychotropics, multiple other medications, frailty-related parameters and gait performance in older patients.
Read moreEnhancing exercise tolerance and physical activity in COPD with combined pharmacological and non-pharmacological interventions: PHYSACTO randomised, placebo-controlled study design
We describe the design of the PHYSACTO trial, which is investigating the effects of bronchodilators, either alone or with exercise training, in combination with a standardised behaviour-change self-management programme, on exercise capacity and physical activity in patients with COPD. It is hypothesised that bronchodilators in conjunction with a behaviourchange self-management programme will improve physical activity and that this effect will be amplified by the addition of exercise training.
Read morePatients’ adherence to a walking programme for non-specific low back pain
The aim of this cross-sectional observational study was to investigate adherence rate and factors influencing the adherence in following home-based activity advice, in patients referred to a physiotherapy clinic for non-specific low back pain.
Read moreRivastigmine for gait stability in patients with Parkinson’s disease (ReSPonD): a randomised, double-blind, placebo-controlled, phase 2 trial
In the ReSPonD trial we aimed to assess whether ameliorating the cholinergic deficit with an acetylcholinesterase inhibitor rivastigmine would reduce gait variability
Read moreEffects of support surface stability on feedback control of trunk posture
This study aimed to examine the interactions of visual, vestibular, proprioceptive, and tactile sensory manipulations and sitting on either a stable or an unstable surface on mediolateral (ML) trunk sway.
Read moreEffect of calendar age on physical performance: A comparison of standard clinical measures with instrumented measures in middle-aged to older adults
We studied the association of calendar age and familial longevity with standard clinical and instrumented measures of physical performance in a cohort of healthy middle-aged to older adults.
Read morePhysical performance and physical activity in older adults: associated but separate domains of physical function in old age
The objective was to examine whether 1) physical performance (PP) and physical activity (PA) constitute separate domains of physical function; 2) differentiation of PA classes is more informative than overall PA
Read moreThe effects of a physical activity counseling program after an exacerbation in patients with Chronic Obstructive Pulmonary Disease: a randomized controlled pilot study
For this pilot study, we hypothesized that, through frequent PA counseling and real-time feedback, patients would potentially increase their PA level more rapidly in the month after an exacerbation compared to subjects in a control group, receiving usual care.
Read moreDevelopment of an integral assessment approach of health status in patients with obstructive airway diseases: the CORONA study
The COPD and Asthma Rotterdam Integrated Care Approach (CORONA) study aims to develop a diagnostic pathway with a more comprehensive approach to the assessment of patients with asthma and COPD in secondary care.
Read moreDifferences in the Course of Daily Activity Level Between Persons with and Without Chronic Pain
The aim of this study was to determine differences in (the course of) daily activity level between persons with and persons without chronic pain.
Read moreThe Discriminant Value of Phase-Dependent Local Dynamic Stability of Daily Life Walking in Older Adult Community-Dwelling Fallers and Nonfallers
The present study compares phase-dependent measures of local dynamic stability of daily life walking with 35 conventional gait features in their ability to discriminate between community-dwelling older fallers and nonfallers.
Read moreAssociation between Community Ambulation Walking Patterns and Cognitive Function in Patients with Parkinson’s Disease: Further Insights into Motor-Cognitive Links
We tested whether parameters derived from long-term, continuous monitoring of gait are associated with cognitive function in patients with Parkinson's disease (PD).
Read moreIdentifying freezing of gait in Parkinson’s disease during freezing provoking tasks using waist-mounted accelerometry
Here, we evaluate whether accelerometry can detect FOG while executing rapid full turns and while walking with rapid short steps (the two most common provoking circumstances for FOG).
Read moreThe PROactive instruments to measure physical activity in patients with chronic obstructive pulmonary disease
The aim of the current study was 1) to identify a comprehensive set of nonredundant items and monitor outputs that can be used to measure physical activity in COPD patients and 2) to perform an initial validation of the two instruments.
Read moreWalking and cycling in patients with asthma and COPD
The present study aimed to measure physical activity in healthy adults and patients with Asthma and COPD.
Read moreSkeletal muscle oxidative capacity is an independent predictor of physical activity in smokers with and without COPD
We hypothesized that low muscle oxidative capacity is an independent predictor of PAL and daily steps in current and ex-smokers with and without COPD.
Read moreEffects of hip abductor muscle fatigue on gait control and hip position sense in healthy older adults
We experimentally investigated whether unilateral hip abductor muscle fatigue affected gait control and hip position sense in older adults.
Read moreAssociations between measures of gait stability, leg strength and fear of falling.
The aim of this study was to determine whether gait quality and maximal voluntary torque (MVT) of knee extensor muscles are associated with FoF.
Read morehysiological determinants of rehabilitative-induced improvement in daily physical activity in patients with COPD
To examine the physiological characteristics in those COPD who exhibit the greater magnitude of improvement in daily physical activity levels following high-intensity interval rehabilitative exercise.
Read moreCycling detection with a single activity monitor
This abstract describes a method for detection of cycling.
Read moreWhy detection of cycling is important in activity monitoring
This study aimed to evaluate the effects of misclassification of cycling with an activity monitor.
Read morePhysical activity, muscle strength, and exercise capacity 3 months after severe sepsis and septic shock
To quantify the physical activity in daily life (PADL), muscle strength, and exercise capacity in the short and medium term in survivors of severe sepsis and septic shock.
Read moreThe accuracy of self-reported adherence to an activity advice
The aim of this cross-sectional observational study was to investigate whether patients referred for non-specifi c low back pain accurately report whether they follow home-based activity advice.
Read moreValidity and Reliability of Gait and Postural Control Analysis Using the Tri-axial Accelerometer of the iPod Touch
The aim of the present study was to establish the validity and reliability of the iPod Touch for gait and posture assessment.
Read moreStay Focused! The Effects of Internal and External Focus of Attention on Movement Automaticity in Patients with Stroke
This study sets out to test the constrained action hypothesis, which holds that automaticity of movement is enhanced by triggering an external focus (on movement effects), rather than an internal focus (on movement execution).
Read morePhysical Activity in Hemodialysis Patients Measured by Triaxial Accelerometer
The aim of this study was to evaluate characteristics of physical activities in daily life in this population by using an accurate triaxial accelerometer and to correlate these characteristics with physiological variables.
Read moreA wearable mobility assessment device for total knee replacement: A longitudinal feasibility study
This study aims to investigate the feasibility of using an ear-worn motion sensor (e-AR, Imperial College London) to conduct objective, home-based mobility assessments in the peri-operative setting.
Read moreMediolateral balance and gait stability in older adults
This study aimed to determine whether MELBA is an ecologically valid tool by correlating its outputs with a measure of mediolateral gait stability known to be predictive of falls.
Read moreA Wavelet-Based Approach to Fall Detection
The aim of this work is to present a novel wavelet-based approach to fall detection, focusing on the impact phase and using a dataset of real-world falls.
Read moreMeasuring Eccentric Strength of the Shoulder External Rotators Using a Handheld Dynamometer: Reliability and Validity
To examine the absolute and relative reliability and validity of a standardized eccentric strength-measurement protocol for the glenohumeral external rotators.
Read morePrediction of trip severity based on tri-axial accelerometry in healthy older adults
To analyse the relationship between trunk accelerations during the initial phase of tripping and the severity of a tripin healthy older adults.
Read moreEye movement instructions modulate motion illusion and body sway with Op Art
This study examined the effect of eye movement instructions (fixation vs. free exploration) on the sensation of motion as well as the body sway of subjects viewing Op Art paintings.
Read moreHigh correlation of the Oxford knee score with postoperative pain, but not with performance-based functioning
The Oxford Knee Score (OKS) is a widely known patient-related outcome measure(PROM) to determine pain and knee functioning before and after total knee arthroplasty (TKA).In this study it was hypothesized that the OKS correlates more with pain than with performance-based functioning.
Read moreStep detection and activity recognition accuracy of seven physical activity monitors
The aim of this study was to compare the seven following commercially available activity monitors in terms of step count detection accuracy: Movemonitor (McRoberts), Up (Jawbone), One (Fitbit), ActivPAL (PAL Technologies Ltd.), Nike+ Fuelband (Nike Inc.), Tractivity (Kineteks Corp.) and Sensewear Armband Mini (Bodymedia).
Read moreFrequent sputum production is associated with disturbed night’s rest and impaired sleep quality in patients with COPD
In this study, we measured night’s rest parameters measured with an accelerometer and sleep quality in mild to very severe patients with COPD. Furthermore, our aim was to investigate the association between night’s rest parameters and clinical variables and the association between sleep quality and quality of life or health status.
Read moreAmbulatory fall-risk assessment: amount and quality of daily-life gait predict falls in older adults
We compared associations between retrospective and prospective falls with potential risk factors as measured by daily-life accelerometry. In addition, we investigated predictive value of these parameters for 6-month prospective falls.
Read moreDo extreme values of daily-life gait characteristics provide more information about fall risk than median values?
The objective of this study was to improve fall-risk prediction models by examining whether the use of extreme values strengthens the associations with falls.
Read moreAssessing Physical Activity in Older Adults: Required Days of Trunk Accelerometer Measurements for Reliable Estimation
We investigated the reliability of physical activity monitoring based on trunk accelerometry in older adults and assessed the number of measured days required to reliably assess physical activity.
Read moreValidation of an activity monitor during sleep in patients with chronic respiratory disorders
Objective of this study was to validate an activity monitor (DynaPort MoveMonitor [MM], McRoberts, The Hague, The Netherlands) against night-vision video analysis during sleep.
Read moreWalking speed in elderly outpatients depends on the assessment method
The present study aimed to assess the influence of different assessment methods on walking speed and its association with the key aspects of poor health status, i.e., the presence of low cognitive performance and cardiopulmonary disease.
Read moreLimitation in tidal volume expansion partially determines the intensity of physical activity in COPD
The purpose of the present study was to investigate whether differences in physical activity levels commonly adopted by individual patients with COPD in daily life compared with well-controlled laboratory environments are partly attributed to differences in the magnitude of mechanical limitation to total and compartmental (rib cage and abdominal) chest wall volumes.
Read moreIdentifying axial and cognitive correlates in patients with Parkinson’s disease motor subtype using the instrumented Timed Up and Go
To better understand these subtypes and to help stratify patients, we applied an objective marker, i.e., an instrumented version of the traditional "Timed Up and Go" test (iTUG).
Read moreAssessing the effect of a physical activity intervention in a nursing home ecology: A natural lab approach
The project 'Long-term Care in Motion' (LTCMo) as a part of the INNOVAGE consortium (funded by the European Commission) has the following aims: Overall: Install and assess a socially innovative intervention in the nursing home ecology. Concrete: (a) Conceptualization of a multidimensional intervention program (resident and staff oriented) with the potential to promote PA in nursing home residents; (b) Mixed-methods assessment of the program based on automated recording as well as questionnaire data.
Read moreThe effect of supervised exercise therapy on physical activity and ambulatory activities in patients with intermittent claudication
The aim of this study was to investigate the effect of Supervised Exercise Therapy on Physical Activity levels and ambulatory activities in patients with Intermittent Claudication.
Read moreInstrumented Functional Reach Test Differentiates Individuals at High Risk for Parkinson’s Disease from Controls
This cross-sectional study aimed at investigating whether the iFR has the potential to differentiate individuals with high risk for PD (HRPD) from CO, as the delineation of such individuals would allow for, e.g., early neuromodulation.
Read moreThe difference in ‘wearing time’ in three valid accelerometers in patients with COPD
Several accelerometers are valid to measure physical activity in COPD. Little is known about the agreement in wearing time between devices.
Read moreHeterogeneity of quadriceps muscle phenotype in chronic obstructive pulmonary disease (COPD); implications for stratified medicine?
We measured fiber size and proportion and assessed the relationship with quadriceps function (strength and endurance), clinical phenotype (lung function, physical activity, fat-free mass) and exercise performance.
Read moreEffectiveness of a physical exercise training programme COPD in primary care: A randomized controlled trial
The aim of this paper is to describe the design of a randomized controlled trial to assess the efficacy of a physical exercise training programme in patients with mild to moderate COPD.
Read moreDevelopment of a New Approach to Quantifying Stepping Stability Using Ensemble Empirical Mode Decomposition
This study introduces a novelmeasure, termed the step stability index (SSI), to quantify stepping stability under non-stationary walking conditions among older adults.
Read moreHigh-intensity interval exercise training improves daily physical activity levels in COPD
The European Respiratory Society assumes no responsibility for any injury and/or damage to persons or property arising out of or related to any use of the material contained in these abstracts.
Read moreRelationship between the functional status constructs and quality of life in COPD
To investigate the association between QOL and functional status, measured by four different instruments: London Chest Activity of Daily Living scale (LCADL), six-minute walking test (6MWT), Glittre ADL-test (TGlittre) and assessment of physical activities in daily living (PADL).
Read moreThe effect of dance mat exergaming systems on physical activity and health – Related outcomes in secondary schools: Results from a natural experiment
The aim of this natural experiment was to examine the effect of introducing the dance mat exergaming systems on physical activity and health-related outcomes in 11–13 year old students using a non-randomised controlled design and mixed methods.
Read morePhysiological responses to the Glittre-ADL test in patiens with Chronic Obstructive Pulmonary Disease
The aim of this study was to investigate the physi-ological responses induced by the Glittre-ADL test (TGlittre) test in patients with chronic obstructive pulmonary disease (COPD) and compare them with those induced by the 6-min-ute walk test (6MWT).
Read moreImpact of Resistance Training in Chronic Obstructive Pulmonary Disease Patients During Periods of Acute Exacerbation
To evaluate the effects of whole-body resistance training on exercise capacity, health-related quality of life (HRQL) and muscle strength in patients hospitalized for exacerbation of chronic obstructive pulmonary disease (COPD).
Read moreGait and balance in Parkinson’s disease subtypes: objective measures and classification considerations
To better understand motor subtypes within Parkinson's disease, we objectively quantified gait and balance and their behavioral correlates.
Read moreGait characteristics and energy expenditure during 6-minute walk test (6MWT) in phenotypes of COPD
To evaluate the differences in the gait characteristics and energy expenditure during the 6MWT in emphysema-predominant and non-emphysematous phenotypes of COPD.
Read morePhysical activity monitoring in patients with peripheral arterial disease: validation of an activity monitor
The aim of this study was to validate daily activities using a novel type of tri-axial accelerometer (Dynaport MoveMonitor) in patients with Intermittent Claudication.
Read morePhysical Activity in Daily Life Assessed by an Accelerometer in Kidney Transplant Recipients and Hemodialysis Patients
This study sought to evaluate the physical activity in daily life in kidney transplant recipients (KTRs) compared with HD patients and to explore its relationship with clinical variables.
Read moreNew evidence for gait abnormalities among Parkinson’s disease patients who suffer from freezing of gait: insights using a body-fixed sensor worn for 3 days
We evaluated whether long-term recordings of Parkinson patients with a 3-D accelerometer for 3 days reveal gait alterations in freezers and if these features were related to freezing severity and its impact on daily function.
Read moreEffect of bed height and use of hands on trunk angular velocity during the sit-to-stand transfer
This study was to investigate the effect of bed height and use of hands on trunk angular velocity and trunk angles during the sit-to-stand (STS) performance.
Read moreLongitudinal effects of anxiety and depression on physical activity in COPD patients
To assess the longitudinal effects of anxiety and depression on PA in COPD patients.
Read morePhysical activity monitoring in patients with intermittent claudication
The aim of this study was to quantify daily Physical Activity level and energy expenditure of newly diagnosed patients with Intermittent Claudication and healthy controls.
Read moreObjective Assessment of Fall Risk in Parkinson’s Disease Using a Body-Fixed Sensor Worn for 3 Days
We tested, for the first time, whether metrics derived from 3 day continuous recordings are associated with fall risk in PD.
Read moreConsistency of gait characteristics as determined from acceleration data collected at different trunk locations
We studied (outdoors) over-ground walking over repeated short-distances where we included turns to investigate gait parameters obtained from activities such as in a daily life setting.
Read moreValidation of a body-worn accelerometer to measure activity patterns in octogenarians
To determine the validity of a triaxial body-worn accelerometer for detection of gait and postures in people aged >80 years.
Read morePhysical activity recommendations in patients with chronic obstructive pulmonary disease
The objective of the current study was to compare individualized (relative) and nonindividualized (absolute) physical activity recommendations in patients with COPD and to assess whether there are differences between patients with mild to moderate and (very) severe COPD.
Read morePostural control in children and young adults with vergence insufficiency
To study the postural control in children and young adults with vergence insufficiency.
Read morePostural threat during walking: Effects on energy cost and accompanying gait changes
The aim of the present study was to determine the influence of postural threat on the energy cost of walking, as well as on concomitant changes in spatiotemporal gait parameters, muscle activity and perturbation responses. In addition, we examined if and how these effects are dependent on walking speed.
Read moreExacerbations in patients with chronic obstructive pulmonary disease receiving physical therapy: A cohort-nested randomised controlled trial
This study aims to investigate the potential of a protocol-directed physical therapy programme as a means to prevent or postpone exacerbations, to shorten the duration or to decrease the severity of exacerbations in patients with COPD who have recently experienced an exacerbation.
Read moreThe Impact of an External Breast Prosthesis on the Gait Parameters of Women After Mastectomy
This study aimed to determine whether wearing an external breast prosthesis affects gait in women after a mastectomy.
Read moreAccuracy of three activity monitors in patients with chronic obstructive pulmonary disease: A comparison with video recordings
The aim of this study was to assess the accuracy and equivalency of three activity monitors regarding steps, body position and their ability to differentiate between periods of physical activity and inactivity.
Read moreAccelerometer-based quantitative analysis of axial nocturnal movements differentiates patients with Parkinson’s disease, but not high-risk individuals, from controls
In this study we hypothesised that changes in nocturnal movement patterns might occur already in non-PD individuals with a potentially high risk for future development of the disease.
Read moreIdentification of fall risk predictors in daily life measurements gait characteristics’ reliability and association with self-reported fall history
The aim of this study was to identify gait characteristics that are associated with self-reported fall history and that can be reliably assessed based on ambulatory data collected during a single week.
Read moreAutomated detection of missteps during community ambulation in patients with Parkinson’s disease: a new approach for quantifying fall risk in the community setting
We developed an objective tool for detecting missteps under real-world, daily life conditions to enhance the evaluation of fall risk and applied this new method to 3 day continuous recordings.
Read moreAssociation between performance on Timed Up and Go subtasks and mild cognitive impairment: further insights into the links between cognitive and motor function
The objective was to assess whether different TUG subtasks are preferentially affected among older adults with mild cognitive impairment (MCI) and are specific to different cognitive abilities.
Read moreConsistency of gait characteristics as determined from acceleration data collected at different trunk locations
In this study we tested whether gait characteristics can be consistently achieved over a broader range of locations, which can occur in daily life measurements by repeated self-attachment or shifting during sensor use.
Read morePhysical activity and physical fitness in lymphoma patients before, during, and after chemotherapy: a prospective longitudinal study
The aim of this longitudinal study was to assess fatigue, physical activity, and physical fitness in lymphoma patients before, during, and after treatment.
Read moreA flexed posture in elderly patients is associated with impairments in postural control during walking
The aim of the current study was therefore to examine postural control during walking in elderly patients with FP, and to investigate the relationship with geriatric phenomena that may cause FP, such as increased TK, VFs, frailty, polypharmacy and cognitive impairments. Fifty-six elderly patients (aged 80 ± 5.2 years; 70% female) walked 160 m at self-selected speed while trunk accelerations were recorded.
Read moreToward ambulatory balance assessment: Estimating variability and stability from short bouts of gait
This study aimed to explore the feasibility of using stride-to-stride variability and local dynamic stability in clinical practice and ambulatory assessment, where only a small number of consecutive strides are available. The concurrent validity and reliability were assessed compared to more continuous walking.
Read moreToward ambulatory balance assessment: estimating variability and stability from short bouts of gait
This study aimed to explore the feasibility of using metrics of gait kinematics in clinical practice and ambulatory assessment, where only a small number of consecutive strides are available.
Read moreAssociations between quantitative mobility measures derived from components of conventional mobility testing and Parkinsonian gait in older adults
The objective of this study was to provide objective measures which characterize mobility in older adults assessed in the community setting and to examine the extent to which these measures are associated with Parkinsonian gait.
Read moreActivity monitoring reflects cardiovascular and metabolic variations in COPD patients across GOLD stages II to IV
We investigated whether activity monitoring reliably reflects variations in oxygen transport and utilization during walking in COPD patients.
Read moreDiscrepancy between functional exercise capacity and daily physical activity: a cross-sectional study in patients with mild to moderate COPD
To assess the relationship between functional exercise capacity and physical activity in patients with mild to moderate COPD.
Read moreQuantitative Description of the Lie-to-Sit-to-Stand-to-Walk Transfer by a Single Body-Fixed Sensor
The aim of this study was to use a single body-fixed inertial sensor to describe the complex movement of the LSSW transfer. Fifteen older patients of a geriatric rehabilitation clinic (median age 81 years) and 10 young healthy persons (median age 37 years) were instructed to stand up from bed in a continuous movement and to start walking.
Read moreThe Respond Trial—Rivastigmine to Stabilise Gait in Parkinson’s Disease a Phase II, Randomised, Double Blind, Placebo Controlled Trial to Evaluate the Effect of Rivastigmine on Gait in Patients with Parkinson’s Disease Who Have Fallen
The aim of this trial is to evaluate the impact of a cholinesterase inhibitor on cognitive function and gait performance in people with established Parkinson's disease.
Read moreDiagnostic criteria for sarcopenia relate differently to insulin resistance
We assessed these muscle characteristics in relation to insulin resistance in nondiabetics.
Read morePhysical and psychosocial factors associated with physical activity in patients with chronic obstructive pulmonary disease.
To assess physical activity and sitting time in patients with chronic obstructive pulmonary disease (COPD) and to investigate which physical and psychosocial factors are associated with physical activity and sitting time.
Read moreEffect of balance support on the energy cost of walking after stroke
To examine the influence of balance support on the energy cost of treadmill and overground walking in ambulatory patients with stroke.
Read morePain and physical performance in people with COPD
The purpose of this study was to examine if pain is associated with functional exercise capacity (assessed with the six-minute walk test, 6MWT), physical activity (assessed by accelerometry), and muscle performance (maximal knee extensor torque) in people with COPD.
Read moreAssessing Gait Stability: The Influence of State Space Reconstruction on Inter- and Intra-day Reliability of Local Dynamic Stability during Over-ground Walking
For clinical use, differences on the individual level should also be detectable, requiring reliability to be high. In the current study, reliability of short-term local dynamic stability was investigated within and between days.
Read moreThe Gait Pattern in Post-Menopausal Women. Pilot Study
The aim of this study was to determine the effect of menopause on gait patterns in healthy women.
Read moreFall risk and gait in Parkinson’s disease: The role of the LRRK2 G2019S mutation
We quantitatively compared gait and mobility in patients with PD carriers of the G2019S mutation to non-carrier patients with PD to better understand the genotype-phenotype relationship.
Read moreValidity and reliability of measuring activities, movement intensity and energy expenditure with the DynaPort MoveMonitor
The purpose of this study was to evaluate the validity and reliability of assessing activities, movement intensity (MI) and energy expenditure (EE) measured by accelerometry.
Read moreEvaluation of Progression Markers in the Premotor Phase of Parkinson’s Disease: The Progression Markers in the Premotor Phase Study
The aim of the presented study is to monitor progression of the neurodegenerative process to motor PD.
Read moreIntensity of physical activity is associated with central hemodynamic and leg muscle oxygenation capacities in COPD
In COPD, physical activity is reported to be adversely associated with the magnitude of exercise-induced dynamic hyperinfl ation.
Read moreMechanical restriction to tidal volume expansion partially determines intensity of physical activity in COPD
We investigated whether the intensity of movement outdoors adopted by each individual COPD patient during walking, is determined by the degree of mechanical restriction to tidal volume expansion
Read moreTrunk-acceleration based assessment of gait parameters in older persons: a comparison of reliability and validity of four inverted pendulum based estimations.
The aim of this study was to compare reliability and validity of four different IP based estimations of mean step length in independent-living older persons.
Read morePhysical activity in patients with asthma referred to a pulmonologist, a pilot-study
The aim of the present pilot-study was to evaluate PA in daily life in patients with asthma newly referred to a pulmonologis
Read moreDetecting not-wearing periods during activity monitoring
To get better insight in the wearing time measured by the DynaPort activity monitor (McRoberts BV).
Read moreWhich is the variable of physical activity monitoring that better correlates with functional exercise capacity in COPD?
To identify which PADL variable better correlates with functional exercise capacity in patients with COPD.
Read moreInspiratory muscle training protocol for patients with chronic obstructive pulmonary disease (IMTCO study): A multicentre randomised controlled trial
In this study, we will investigate whether the addition of IMT to a general exercise training programme improves 6 min walking distance, health-related quality of life, daily physical activity and inspiratory muscle function in patients with COPD with inspiratory muscle weakness.
Read moreAgreement of classification of COPD patients’ physical activity with two activity monitors
To test whether similar PA classification of patients would be obtained when using 2 valid activity monitors.
Read moreUsing a Body-Fixed Sensor to Identify Subclinical Gait Difficulties in Older Adults with IADL Disability: Maximizing the Output of the Timed Up and Go
We tested whether measures derived from a single body-fixed sensor worn during traditional Timed Up and Go (TUG) testing could identify subclinical gait impairments in community dwelling older adults without mobility disability.
Read moreQuantification of Motor Impairment in Parkinson’s Disease Using an Instrumented Timed Up and Go Test
The aim was to select reliable measures to identify and quantify the differences between the motor patterns of healthy and PD subjects; in order to do so, besides comparing each measure individually to find significant group differences, feature selection and classification were used to identify the distinctive motor pattern of PD subjects.
Read moreLocal dynamic stability as a responsive index for the evaluation of rehabilitation effect on fall risk in patients with multiple sclerosis: A longitudinal study
With this longitudinal study over three weeks, we aimed to assess the responsiveness of Local Dynamic Stability to a rehabilitation program and to compare it to other measures.
Read morePhysical activity and low back pain: The role of subgroups based on the avoidance-endurance model
This study examines the relationship between low back pain, disability and fatigue and overt physical activity with respect to fear-avoidance and endurance-related subgroups.
Read moreMuRF-1 and Atrogin-1 Protein Expression and Quadriceps Fiber Size and Muscle Mass in Stable Patients with COPD
Small clinical studies suggest MuRF-1 and atrogin-1 expression in the quadriceps muscle is also increased in stable patients with Chronic Obstructive Pulmonary Disease compared to controls.
Read moreEnergy cost of balance control during walking decreases with external stabilizer stiffness independent of walking speed
In the present study, we applied this method to test two hypotheses: (1) the effect of external stabilization on energy cost depends on the stiffness of the stabilizing springs, and (2) the energy cost for balance control, and consequently the effect of external stabilization on energy cost, depends on walking speed.
Read moreVergence and Standing Balance in Subjects with Idiopathic Bilateral Loss of Vestibular Function
This study examines both vergence eye movements in patients with idiopathic bilateral vestibular loss, and their standing balance in relation to vergence.
Read moreDoes the Evaluation of Gait Quality During Daily Life Provide Insight Into Fall Risk? A Novel Approach Using 3-Day Accelerometer Recordings
To quantify fall risk in the home setting using an accelerometer.
Read moreEstimating fall risk with inertial sensors using gait stability measures that do not require step detection
The aim of the present study was to investigate the association between the aforementioned measures and fall history in a large sample of subjects (42 fallers and 89 non-fallers) aged 50 or older.
Read moreThe effect of a hippotherapy session on spatiotemporal parameters of gait in children with cerebral palsy – Pilot study
The aim of this study was to analyze the effect of hippotherapy on spatiotemporal parameters of gait in cerebrally palsied children.
Read morePattern of respiratory muscle recruitment during walking in active and less physically-active COPD patients
To investigate whether walking movement intensity is associated with the pattern of respiratory muscle recruitment in COPD.
Read moreAutomated approach for quantifying the repeated sit-to-stand using one body fixed sensor in young and older adults
The objectives of the present study were to describe the feasibility of using an automated approach for quantifying the STS using one sensor location and to start testing the discriminative validity of this approach by comparing older and younger adults.
Read moreVariation and achievement of ambulatory activity among patients with chronic stroke.
To measure the variation in activity parameters in patients with stroke over several days, and to assess whether patients with chronic stroke differ from each other in their achievement of ambulatory activity level.
Read moreObjective assessment, repeatability, and agreement of shoulder ROM with a 3D gyroscope
We aimed to assess the precision (repeatability) and agreement of this instrument in human subjects, as compared to the conventional goniometer.
Read moreValidity of physical activity monitors during daily life in patients with COPD
Our aim was to evaluate the validity and usability of six activity monitors in patients with COPD against the doubly labelled water (DLW) indirect calorimetry method.
Read moreProposal for a Multiphase Fall Model Based on Real-World Fall Recordings with Body-Fixed Sensors
The article describes the practicality and the limitations of this approach using body-fixed sensor technology. The features of the different phases are outlined with selected real-world fall signals.
Read morePhysical Activity In Daily Life In Brazilian COPD Patients During and After Exacerbation
To investigate the effect of hospitalization due to acute exacerbation of PADL in Brazilian COPD patients and to evaluate the factors that determines the physical activity levels during hospitalization and after discharge.
Read moreIs walking in daily life a moderate intensity activity in patients with chronic obstructive pulmonary disease?
To quantify in patients with COPD the time spent/day in physical activity of at least moderate intensity according to the ACSM (TPA>moderate); and to compare their TPA>moderate with the total time spent walking/day in daily life (TW).
Read moreImportance of correcting for individual differences in the clinical diagnosis of gait disorders
To quantify the effects of subject characteristics on gait parameters using acceleration-based gait analysis.
Read moreTest-retest reliability and minimal detectable change of repeated sit-to-stand analysis using one body fixed sensor in geriatric patients
The aim of this study was to determine the reliability of an automated approach for quantifying durations and angular velocities of trunk flexion and extension during repeated SiSt transitions using one BFS (DynaPort® Hybrid)
Read moreSit-stand and stand-sit transitions in older adults and patients with Parkinson’s disease: Event detection based on motion sensors versus force plates
The aim of this study was to evaluate the agreement of detecting sit-stand and stand-sit events based on a novel body-fixed-sensor method with a force-plate based analysis.
Read moreA Machine Learning Approach to Assessing Gait Patterns for Complex Regional Pain Syndrome
This paper aims to investigate the feasibility of assessing the physical performance of patients with Complex Regional Pain Syndrome based on the analysis of gait data recorded by an accelerometer in short walking distances.
Read moreGait and cognition: The relationship between gait stability and variability with executive function in persons with and without dementia
The aim of this study was to investigate differences in the relationship between executive function and gait variability and stability during single task and dual task walking in persons with and without dementia.
Read moreProfile of physical activity in daily life in physically independent elderly men and women
his study compared the profile of daily activities and variables of functional fitness between elderly men and women, as well as the relation of their time spent walking per day with the remaining study variables concerning each gender.
Read moreValidation of seat-off and seat-on in repeated sit-to-stand movements using a single-body-fixed sensor
The aim of this study is to validate seat-off and seat-on detection using a single-body-fixed sensor against detection based on chair switches.
Read morePhysiological phenotype and daily physical activity in COPD patients. A pilot study in Greece
The objective of this pilot study was to examine the impact of baseline lung dysfunction, exercise capacity and quadriceps muscle strength on daily walking movement intensity (WalkMI), walking energy expenditure (WalkEE) and average energy expenditure (AvgEE) in patients with COPD.
Read moreUsing multi-dimensional dynamic time warping for TUG test instrumentation with inertial sensors
The approach is used to automate the process of assessment compared with the manual evaluation by using visual observation and a stopwatch.
Read moreDetection and Analysis of Transitional Activity in Manifold Space
To detect and analyze transitional activities, a manifold-based approach is proposed in this paper.
Read moreTUG Test Instrumentation for Parkinson’s disease patients using Inertial Sensors and Dynamic Time Warping
An automatic assessment to sub-stitute a manual evaluation with visual observation and a stopwatch is aimed at to gain objective information about the patients.
Read moreA randomized controlled pilot study assessing the feasibility of combined motor-cognitive training and its effect on gait characteristics in the elderly
(1) To develop a motor-cognition training programme; (2) to evaluate the ability to recruit and retain elderly people; (3) to assess the effects of the interventions.
Read moreOverview and findings from the rush Memory and Aging Project.
In this manuscript, we first summarize the study design and methods.
Read moreEstimating energy expenditure from raw accelerometry in three types of locomotion
The current study aims to improve published equations by deriving an equation for overground walking and to evaluate whether overground cycling and stair walking require specific prediction equations.
Read moreLocal dynamic stability and variability of gait are associated with fall history in elderly subjects
The objective of the present study was to assess the association between gait variability, LDS of gait and fall history in a large sample of elderly subjects.
Read moreValidity of six activity monitors in chronic obstructive pulmonary disease: a comparison with indirect calorimetry
The aim was to evaluate the validity of six monitors in patients with COPD.
Read moreValidity and reliability of accelerometer-based gait assessment in patients with diabetes on challenging surfaces
We investigate the test-retest reliability and construct validity of gait measured with the DynaPort MiniMod under single and dual task conditions in diabetic patients walking on irregular terrain to identify the measurement error (precision) and minimal clinical detectable change.
Read moreDaily Life Physical Activities And Pulmonary Function In Kidney Transplant Recipients
The aim of this study was to determine whether kidney transplant recipients are less active than healthy sedentary controls and to correlate physical activity level with functional exercise capacity, lung function, quality of life and muscle strength.
Read moreEvaluation of Accelerometer-Based Fall Detection Algorithms on Real-World Falls
Read moreEstimation Of VO2 Using Activity Monitors In A Laboratory Setting In Patients With COPD
The aim of this study was to investigate whether combining information from several monitors would denhance their ability to predict VO2 in a laboratory setting.
Read moreIGAIT: An interactive accelerometer based gait analysis system
This paper presents a software program (iGAIT) developed in MATLAB, for the analysis of gait patterns extracted from accelerometer recordings. iGAIT provides a user-friendly graphical interface to display and analyse gait acceleration data recorded by an accelerometer attached to the lower back of subjects.
Read moreEvaluation Of Intensity-Based Physical Activity In Patients With COPD
The objectives of this study were to evaluate the validity of the Actimarker for the measurment of physical activity in patients with COPD, and to determine the features of the activity in COPD.
Read moreImpaired Trunk Stability in Individuals at High Risk for Parkinson’s Disease
There is compelling evidence that changes of postural stability occur at very early clinical stages of Parkinson's disease, making it tempting to speculate that changes in sway performance may even occur at a prodromal stage, and may have the potential to serve as a prodromal marker for the disease.
Read moreObesity and Physical Activity in the Daily Life of Patients with COPD
The aim of this study was to investigate the differences in body composition between physically active and inactive patients with chronic obstructive pulmonary disease (COPD) and the relationship of obesity [according to body mass index (BMI) and percentage of fat mass (%FM)] with physical activity in the daily life (PADL) in this population.
Read moreSports activities are reflected in the local stability and regularity of body sway: Older ice-skaters have better postural control than inactive elderly
The aim of the present study was to determine, whether patterns of body sway of elderly (N = 13) who practice a sport which challenges postural control (ice speed-skating), are more similar to that of young subjects (N = 10) than to that of inactive elderly (N = 10).
Read moreValidity of a Smartphone-Based Instrumented Timed up and Go
In this study we evaluate the validity of an SP for instrumenting the TUG.
Read moreExercise Training After Lung Transplantation Improves Participation in Daily Activity: A Randomized Controlled Trial
We investigated whether 3 months of supervised training, initiated immediately after hospital discharge, improve functional recovery and cardiovascular morbidity of patients up to 1 year after lung transplantation.
Read morep38 Mitogen-activated Protein Kinase is Not Activated in the Quadriceps of Patients with Stable Chronic Obstructive Pulmonary Disease
Quadriceps weakness is associated with a poor prognosis in COPD. Several data suggest that immobility and muscle wasting may be related through up-regulation of the p38 Mitogen associated protein kinase (MAPK) signalling pathway. We therefore hypothesised that this might occur in the quadriceps of COPD patients.
Read moreDaily physical activity after bronchoscopic lung volume reduction: a pilot study
Physical inactivity is known to cause muscle deconditioning, which increases the ventilatory requirements during exercise, and in turn increases lung hyperinflation and worsens dyspnoea, thus contributing to a downward spiral.
Read moreComparison of outcomes of the Actigraph and the Dynaport activity monitor in patients with COPD; results from PROactive
We aimed to compare wearing time and walking between two activity monitors in COPD.
Read moreDoes the energy expenditure of patients with COPD reflect their time spent walking and intensity of walking in daily life?
To verify the influence of time spent walking, movement intensity and other PADL variables on EE of patients with moderate to severe COPD.
Read moreAssessing the utility of smart mobile phones in gait pattern analysis
This paper aims to study the feasibility of using a smart mobile phone with an embedded accelerometer in gait pattern monitoring.
Read moreAssessment of dual tasking has no clinical value for fall prediction in Parkinson’s disease
The objective of this study is to investigate the value of dual-task performance for the prediction of falls in patients with Parkinson's disease (PD).
Read moreValidation of the triaxial accelerometer for the evaluation of physical activity in Japanese patients with COPD
We initially evaluated the reproducibility of the DAM in Japanese healthy subjects. Next, the within-subject repeatability and the determinants of physical activity were investigated in Japanese COPD patients.
Read moreClinical observational gait analysis to evaluate improvement of balance during gait with vibrotactile biofeedback.
This study explores the effect of vibrotactile biofeedback on gait in 20 patients with bilateral vestibular areflexia using observational gait analysis to score individual balance.
Read moreEffects of 2 Exercise Training Programs on Physical Activity in Daily Life in Patients With COPD
The effects of different exercise training programs on the level of physical activity in daily life in patients with COPD remain to be investigated. In patients with COPD we compared the effects of 2 exercise/training regimens (a high-intensity whole-body endurance-and-strength program, and a low-intensity calisthenics-and-breathing-exercises program) on physical activity in daily life, exercise capacity, muscle force, health-related quality of life, and functional status.
Read moreGait variability in older adults: A structured review of testing protocol and clinimetric properties
This structured review explicitly examined literature that reported on the reliability, validity and responsiveness of gait variability in older adults.
Read moreThe importance to including objective functional outcomes in the clinical follow up of total knee arthroplasty patients
This study investigated the suitability of AGA for measuring function in orthopaedic patients with symptomatic gonarthrosis listed for total knee arthroplasty (TKA) by investigating (a) the ability of AGA to distinguish patients from healthy subjects, (b) the sensitivity to gait changes of AGA in assessing recovery following total knee arthroplasty in a subpopulation, and (c) correlations between AGA parameters and clinical scales.
Read moreValidity of instruments to measure physical activity may be questionable due to a lack of conceptual frameworks: a systematic review
This study, which was limited to a specific case, had the following aims: (i) to identify conceptual frameworks of physical activity in chronic respiratory patients or similar populations (chronic heart disease patients or the elderly) and (ii) to assess whether the development and validation of PROs to measure physical activity in these populations were based on a conceptual framework of physical activity.
Read moreValidation of a compact motion sensor for the measurement of physical activity in patients with chronic obstructive pulmonary disease
The validity of the Actimarker was evaluated in COPD patients.
Read moreCombining physical activity monitoring and cardiac output during exercise in COPD patients with GOLD stages II-IV
To investigate whether changes in estimated energy expenditure (EE) by activity monitoring are associated with changes in cardiac output (CO) during exercise.
Read moreWearable systems with minimal set-up for monitoring and training of balance and mobility
With the objective to release solutions which can be easily manageable by their final users, including older users, we worked to design methods and devices which rely on a minimal set-up for monitoring and rehabilitation of balance and mobility.
Read moreObjective Assessment of shoulder mobility with a new 3D gyroscope – A validation study
Aim of this study is the validation of this measuring instrument using the BIODEX-System.
Read moreDaily Physical Activity in Patients with Chronic Obstructive Pulmonary Disease: A Systematic Review
The aim of this review is to describe daily physical activity of COPD patients, and to examine its relationship with demographic factors, pulmonary function, physical fitness, systemic inflammation and quality of life.
Read moreYin Yang 1 expression and localisation in quadriceps muscle in COPD
The aims of this study were to investigate YY1 expression and localisation in the quadriceps muscle of COPD patients compared to healthy age-matched controls, and examine the relationship between YY1 expression and localisation and quadriceps muscle fibre cross-sectional area (CSA) in COPD patients.
Read moreEarly functional outcome after subvastus or parapatellar approach in knee arthroplasty is comparable
In total knee arthroplasty, tissue-sparing techniques are considered more important, as functional gain could become more advantageous when early mobilization is commenced. The parapatellar approach is most often used, whereas the subvastus approach is a suitable alternative.
Read moreObserving Recovery from Knee-Replacement Surgery by Using Wearable Sensors
This study employed a recognised protocol of activities both pre-operatively, and at regular intervals up to twenty-four weeks post-total knee arthroplasty.
Read moreMarkedly impaired bilateral coordination of gait in post-stroke patients: Is this deficit distinct from asymmetry? A cohort study
The objective of this exploratory study is to quantify the effects of hemiparesis on two putatively independent aspects of the bilateral coordination of gait to gain insight into mechanisms and their relationship and to assess their potential as clinical markers.
Read moreEEG correlates of postural audio-biofeedback
By means of quantitative electroencephalography (EEG), we examined the basic processes in the brain that are involved in the perception and cognition of auditory signals used for ABF.
Read moreDoes the BODE index reflect the level of physical activity in daily life in patients with COPD?
To study the relationship between the level of physical activity in daily life and disease severity assessed by the BODE index in patients with chronic obstructive pulmonary disease (COPD).
Read moreComparison of Acceleration Signals of Simulated and Real-World Backward Falls
Fall simulations are widely used to gain insight into circumstances of falls, but the results, at least concerning fall detection, are not convincing.
Read moreAcceleration-Based Motion Analysis as a Tool for Rehabilitation Exploration in Simulated Functional Knee Limited Walking Conditions
The aim of this study was to investigate the ability of acceleration-based gait analysis to differentiate between normal gait and different simulated functional knee limitations of increasing severity.
Read moreActivity monitoring in pulmonary rehabilitation in patients with COPD
The quality of life and the risk of hospitalization are partially related to the activity level of patients with COPD. The effectiveness of pulmonary rehabilitation can be characterized by exercise physiologic variables and daily activity.
Read moreThe modified version of the pulmonary functional status and dyspnea questionnaire: A valid measure to evaluate functional status in patients with COPD
To establish the relationship between PFSDQ-M score and different objective measures reflecting different aspects of functional status.
Read moreDifferences between active and inactive patients with COPD
To investigate differences between patients with COPD who achieve or not the minimum physical activity recommended by the American College of Sports Medicine (ACSM) according to age.
Read moreUse of accelerometers for measuring consecutive bouts in physical activity recommendations
The aim of the present study is to investigate the effect of different consecutive bout lengths and bout interruptions on the PA status using accelerometers.
Read moreUser acceptability of 6 activity monitors in COPD; part of the PROactive project
To monitor patients' experiences and preferences after wearing multiple monitors for a sustained period.
Read moreActivity outcomes correlation of 6 monitors in COPD, a field study part of the PROactive project
Monitoring Physical activity (PA) in COPD patients is a new outcome to assess effects of interventions. It is unknown to what extent outcomes of different Physical activity monitors (PAM) interrelate when used in patients with low PA.
Read moreReliability and clinical correlates of 3D-accelerometry based gait analysis outcomes according to age and fall-risk
To investigate the reliability of a 3D-accelerometry based gait analysis, and its correlates with clinical status and fall-risk.
Read moreAccelerometer Based Gait Aanalysis
This paper describes an accelerometer based gait analysis system for the assessment of fall risk.
Read moreDetection of lying, sitting, standing and locomotion under free living conditions (24h): validation of a one sensor versus a multiple sensor approach
The aim of this study is to validate a newly developed activity monitor (DynaPort® MoveMonitor) during unsupervised daily life conditions.
Read moreImprovement of heart rate variability after exercise training and its predictors in COPD
We aimed to investigate changes in HRV after two exercise training programs in patients with COPD and to investigate the determinants of these eventual changes.
Read moreFeature Selection for Accelerometer-Based Posture Analysis in Parkinson’s Disease
The aim of this study was to assess the feasibility of using accelerometers to characterize the postural behavior of early mild PD subjects.
Read moreHilbert-Huang-Based Tremor Removal to Assess Postural Properties From Accelerometers
In this study, an alternative method, based on Hilbert-Huang transformation (HHT), is proposed.
Read moreThe effects of a novel histamine-3 receptor inverse agonist on essential tremor in comparison to stable levels of alcohol
Animal studies show that histaminergic modulation may affect the pathological processes involved in the generation of ET. Histamine-3 receptor inverse agonists (H3RIA) have demonstrated attenuating effects on ET in the harmaline rat model.
Read moreGait stability and variability measures show effects of impaired cognition and dual tasking in frail people
The aim of the study was to quantify the effect of impaired cognition and dual tasking on gait variability and stability in geriatric patients.
Read morePeripheral neuropathy, decreased muscle strength and obesity are strongly associated with walking in persons with type 2 diabetes without manifest mobility limitations
We evaluated the associations of diabetic complications and underlying pathology with daily walking activity in type 2 diabetic patients without manifest mobility limitations.
Read moreGait Alterations in Healthy Carriers of the LRRK2 G2019S Mutation
To test for an association between the LRRK2-G2019S mutation and gait, we studied 52 first-degree relatives of patients with Parkinson's disease (PD) who carry this mutation.
Read moreTechnology Innovation Enabling Falls Risk Assessment in a Community Setting
This paper reviews the current technical and non-technical gait and balance assessments, discusses how low-cost technology can be applied to objectively administer and interpret these tests in the community, and reports on recent research where body-worn sensors have been utilized. It also discusses the barriers to adoption in the community and proposes ethnographic research as a method to investigate solutions to these barriers.
Read moreVariability and stability analysis of walking of transfemoral amputees.
Variability and stability of walking of eight transfemoral amputees and eight healthy controls was studied under four conditions: walking inside on a smooth terrain, walking while performing a dual-task and walking outside on (ir)regular surfaces.
Read moreValidation of the DynaPort MiniMod during sleep: a pilot study
The goal was to examine the validity of the DynaPort MiniMod in assessing physical activity and body posture during sleep.
Read moreA Clinical Application of Feature Selection: Quantitative Evaluation of the Locomotor Function
Evaluation of the locomotor function is important for several clinical applications (e.g. fall risk of the elderly, characterization of a disease with motor complications).
Read moreImprovement of balance after audio-biofeedback. A 6-week intervention study in patients with progressive supranuclear palsy
Based on the observation that postural control improved in patients with vestibular dysfunction after audio-biofeedback training, we tested the effects of this training in PSP patients.
Read moreNordic Walking improves daily physical activities in COPD: A randomised controlled trial
The aim was to determine the feasibility of Nordic Walking in COPD patients at different disease stages. Furthermore we aimed to determine the short- and long-term effects of Nordic Walking on COPD patients' daily physical activity pattern as well as on patients exercise capacity.
Read moreDetection of Gait and Postures Using a Miniaturized Triaxial Accelerometer-Based System: Accuracy in Patients With Mild to Moderate Parkinson’s Disease
To examine whether gait and postures can accurately be detected with a single small body-fixed device in patients with mild to moderate Parkinson's disease.
Read moreAutomated detection of near falls: algorithm development and preliminary results
The purpose of the present study was to develop a method for automatic detection of near falls, potentially a sensitive, objective marker of fall risk and to demonstrate the ability to detect near falls using this approach.
Read moreSalient and placebo vibrotactile feedback are equally effective in reducing sway in bilateral vestibular loss patients
This study explores the effect of vibrotactile biofeedback on body sway in stance in patients with severe bilateral vestibular losses in a placebo-controlled study.
Read moreFeature Selection for the Instrumented Timed Up and Go in Parkinson’s Diseasewe
The aim was to find, by means of a feature selection, the best set of quantitative measures that would allow an objective evaluation of gait function in PD.
Read moreQuantifying effects of dual task performance and cognition on gait coordination in elderly geriatric patients
The effects of a cognitive dual task on gait coordination in 24 older geriatric day clinic patients while walking at self-selected speed was studied and related to cognitive function.
Read moreThe effect of a training program combined with augmented afferent feedback from the feet using shoe insoles on gait performance and muscle power in older adults: A randomised controlled trial
The current study investigated the effect of physical exercise combined with wearing MedReflex shoe insoles on the gait performance and muscle power in older adults.
Read moreAssessing accelerometer based gait features to support gait analysis for people with Complex Regional Pain Syndrome
In this paper, we explored the feasibility of analysing gait patterns during the Short Physical Performance Battery test by using an accelerometer to record the movement of the subject.
Read moreComparison of daily physical activity between COPD patients from Central Europe and South America
The objective of this study was to determine if this is also applicable in chronic obstructive pulmonary disease (COPD) by comparing physical activity levels in daily life in stable patients from two countries (Austria and Brazil) with different socio-economic and ethnic characteristics.
Read moreMeasuring Distance walked and step count in children with cerebral palsy: An evaluation of two portable activity monitors
Assessing clinical outcomes in the context of activity and participation is essential to reflect functional changes in the home and community for children with cerebral palsy (CP).
Read moreProfile of the level of physical activity in the daily lives of patients with COPD in Brazil
To evaluate characteristics of physical activities in daily life in COPD patients in Brazil, correlating those characteristics with physiological variables.
Read moreReproducibility of spatio-temporal gait parameters under different conditions in older adults using a trunk tri-axial accelerometer system
The aim of this study was to determine intra- and interrater reliability of spatio-temporal gait parameters on different walking surfaces and under dual task conditions in an older adult population using a trunk tri-axial accelerometer (DynaPort((MiniMod)) system.
Read morePhysical Activity in Daily Life 1 Year After Lung Transplantation
Reduced physical fitness has been reported to occur after lung transplantation. Pre- and post-transplant factors, including an inactive lifestyle, have been proposed as possible causes.
Read moreWhat is the relationship between patients’ and clinicians’ reports of the outcomes of elective surgery?
To identify studies in which patients' and clinicians' reports of health status and complications of one of four elective operations - hip and knee replacement, varicose vein surgery and groin hernia repair - are reported, and to describe the associations that have been reported between clinicians' and patients' reports.
Read moreValidation of two activity monitors in patients with COPD
We validated two smaller activity monitors in a sample of 10 patients with COPD.
Read morePatella retention versus replacement in total knee arthroplasty; functional and clinimetric aspects
This study used two accelerometer based systems to study the hypothesis whether performance based tests are able to detect a difference in patients with or without a resurfaced patella.
Read moreEstimating Activity-related Energy Expenditure Under Sedentary Conditions Using a Tri-axial Seismic Accelerometer
The first aim of this study was to combine the type and the intensity of PA into one model for energy expenditure prediction. The second aim was to assess model validity under exclusively sedentary conditions.
Read moreAthletic skill level is reflected in body sway: A test case for accelometry in combination with stochastic dynamics
The aim of the present study was to determine – as spade work for possible clinical applications – whether body sway measured with a three-axial accelerometer at the trunk can differentiate between three healthy young populations that differ in athletic skill level.
Read moreConcurrent validity of a trunk tri-axial accelerometer system for gait analysis in older adults
The aim of this study was (1) to determine the concurrent validity of a trunk tri-axial accelerometer system (DynaPort®MiniMod) with the GAITRite® system for spatio-temporal gait parameters at preferred, slow and fast self-selected walking speed that were recorded for averaged and individual step data in an older adult population and (2) to compare the levels of agreement for averaged step data from different walking distances and individual step data.
Read moreChanges in physical activity and health-related quality of life during the first year after total knee arthroplasty.
Despite its impact on the overall outcome and health-related quality of life (HRQOL) after knee surgery, physical activity has not been investigated directly using accelerometry or step monitoring during the first year after total knee arthroplasty (TKA) due to osteoarthritis (OA). Therefore, the present study aimed to evaluate the development of physical activity over 12 months after surgery and its relationship to clinical outcome and HRQOL.
Read moreAirflow obstruction and exercise
The primary abnormality in chronic obstructive pulmonary disease (COPD) is chronic airway inflammation which results in airflow limitation. Disease progression is usually depicted as an accelerated decline in FEV(1) over time.
Read moreFunctional outcome of knee arthroplasty is dependent upon the evaluation method employed
The aim of this study was to establish the functional differences and patient perceptions between unicompartmental knee replacement (UKR) and total knee replacement (TKR).
Read moreResurfacing or retaining the patella in total knee arthroplasty: a movement analysis study
This study used two accelerometer based motion analysis systems to study if functional tests are able to detect a difference in patients with or without a resurfaced patella.
Read moreThe effect of a foot gymnastic exercise programme on gait performance in older adults: A randomised controlled trial
This study investigated the effect of physical exercise combined with foot gymnastics on the gait performance in older adults.
Read moreReproducibility of a Triaxial Seismic Accelerometer (DynaPort)
The purpose of the study was to examine the reproducibility of a triaxial seismic accelerometer under controlled conditions and real-life conditions.
Read moreObjectief meten bewegen; State of the art
Het huidige project heeft als einddoel om een in de (epidemiologische) praktijk toepasbare objectieve meetmethode te verkrijgen, die een zo breed mogelijk spectrum van bewegen kan meten.
Read moreHeart Rate Variability and Disease Characteristics in Patients with COPD
The aim of this study was to characterize HRV in patients with COPD and to verify the correlation of HRV measured during rest with disease severity and pulmonary, muscular, and functional impairment.
Read moreLongitudinal and cross-sectional validity of the DynaPort KneeTest in adults with nontraumatic knee complaints in general practice
The aim of the study was to determine the cross-sectional and longitudinal validity of a performance-based assessment of knee function, DynaPort KneeTest (DPKT), in first-time consulters with nontraumatic knee complaints in general practice.
Read morePhysical Functioning Before and After Total Hip Arthroplasty: Perception and Performance
The aims of this study were: (1) to determine the relationship between self-report and performance-based measures of physical functioning before and after total hip arthroplasty, (2) to assess the influence of pain on the relationship, and (3) to determine whether the relationship changes over time.
Read moreThe step length – Frequency relationship in physically active community-dwelling older women
This study evaluated the step length-frequency relationship in physically active community-dwelling older women in order to investigate whether the relationship between these two spatio-temporal gait parameters changes with increasing age.
Read moreQuantity versus quality of gait and quality of life in patients with osteoarthritis
This study investigated the relationship between the quality of life, quality of gait and the quantity of gait in patients with impairments in the lower extremities.
Read moreLife in slow motion: quantifying physical activity in COPD
We therefore have to develop objective methods of quantifying daily activity that can be used to record therapeutic outcome.
Read morePhysical activity levels after limb salvage surgery are not related to clinical scores—objective activity assessment in 22 patients after malignant bone tumor treatment with modular prostheses
The aim of the present study was to objectively assess the physical activity levels of patients after tumor prosthesis implantation with two objective measurement devices.
Read moreDetection of walking periods and number of steps in older adults and patients with Parkinson’s disease: accuracy of a pedometer and an accelerometry-based method
The aim of this study was to examine if walking periods and number of steps can accurately be detected by a single small body-fixed device in older adults and patients with Parkinson's disease (PD).
Read moreLower limb activity and its determinants in COPD
The relationship between lower limb activity and total daily activity is not known, nor are there any data which relate objectively assessed daily activity to laboratory assessments made before and after rehabilitation.
Read moreA body-fixed-sensor based analysis of compensatory trunk movements during unconstrained walking.
This paper presents a body-fixed-sensor (BFS) based approach for quantifying compensatory trunk movements during unconstrained walking.
Read moreValidity of DynaPort GaitMonitor for assessment of spatiotemporal parameters in amputee gait
In this study, the validity of the DynaPort GaitMonitor software (McRoberts, The Hague, The Netherlands) for assessing spatiotemporal parameters of amputee gait was evaluated.
Read moreActivity Monitoring in Assessing Activities of Daily Living
Individuals who have active lifestyles appear to reap substantial benefits. It is therefore of interest to assess level of activity and to determine whether interventions are capable of altering activities of daily life.
Read moreFunctional improvement after unicompartmental knee replacement: a follow-up study with a performance based knee test
In a prospective study on 38 patients with a mean age of 62.2 years functional improvement was measured.
Read morePhysical functioning before and after total hip arhtroplasty
The aims of this study were: (1) to determine the relationship between self-report and performance-based measures of physical functioning before and after total hip arthroplasty, (2) to assess the influence of pain on the relationship, and (3) to determine whether the relationship changes over time.
Read moreRecovery of gait after short-stay total hip arthroplasty
To describe recovery of gait after total hip arthroplasty (THA) based on the assessment of spatiotemporal gait parameters determined with an ambulatory system.
Read moreThe effects of mechanised equipment on physical load among road workers and floor layers in the construction industry
This study describes the impact of the use of mechanised equipment on physical load and workers’ health among road workers and floor layers by comparing the traditional manual work method with frequently occurring scenarios of use of this new equipment.
Read moreEffect of athletic skill on postural control during standing and walking: Sensitivity of trunk accelerometry
The aim of this study was to compare postural control during standing and walking for students with different athletic skills and to select the most sensitive signal analysis, sensor direction and test conditions for this comparison
Read moreAccelerometry based assessment of gait parameters in children
The objective of this study was to examine if spatio-temporal gait parameters in healthy children can be determined from accelerations measured at the lower trunk as has been demonstrated in adults, previously.
Read moreSelf-reported physical functioning was more influenced by pain than performance-based physical funtioning in knee-osteoarthritis patietns
To test the hypothesis that self-reported physical functioning is more influenced by pain than performance-based physical functioning.
Read morePerformance-based methods for measuring the physical function of patients with osteoarthritis of the hip or knee: a systematic review of measurmetn properties
To systematically review the measurement properties (i.e. internal consistency, reproducibility, validity, responsiveness and interpretability) of all performance-based methods which have been used to measure the physical function of patients with osteoarthritis of the hip or knee.
Read moreQuantifying physical activity in daily life with questionnaires and motion sensors in COPD
The present article aims to compare and discuss the two kinds of instruments more commonly used to quantify the amount of physical activity performed by COPD patients in daily life: subjective methods (questionnaires, diaries) and motion sensors (electronic or mechanical methods).
Read morePhysical Activity and Hospitalization for Exacerbation of COPD
We aimed to investigate physical activity using an activity monitor (DynaPort; McRoberts; the Hague, the Netherlands), pulmonary function, muscle force, 6-min walking distance, and arterial blood gas levels in 17 patients (mean age, 69 +/- 9 years [+/- SD]; body mass index, 24 +/- 5 kg/m(2)) at the beginning and end of a hospitalization period for an AE and 1 month after discharge.
Read moreThe accuracy of measuring the kinematics of rising from a chair with accelerometers and gyroscopes
The purpose of this study was to assess the accuracy of measuring angle and angular velocity of the upper body and upper leg during rising from a chair with accelerometers, using low-pass filtering of the accelerometer signal.
Read moreActivity Monitoring for Assessment of Physical Activities in Daily Life in Patients With Chronic Obstructive Pulmonary Disease
To investigate the degree of agreement between different methods of assessing physical activities in daily life in patients with chronic obstructive pulmonary disease (COPD): video recordings (criterion standard), the DynaPort Activity Monitor (DAM), and patient self-report.
Read moreConstruct validity of the DynaPort®KneeTest: a comparison with observations of physical therapists
To assess the construct validity of the DynaPort®KneeTest (KneeTest), which is a performance-based test to assess functioning of patients with knee osteoarthritis (OA).
Read moreReproducibility and validity of the DynaPort KneeTest
To determine the reproducibility and validity of the DynaPort KneeTest, a performance-based test that measures quality of movement of patients undergoing total knee replacement (TKR).
Read moreCharacteristics of Physical Activities in Daily Life in Chronic Obstructive Pulmonary Disease
Quantification of physical activities in daily life in patients with chronic obstructive pulmonary disease has increasing clinical interest. However, detailed comparison with healthy subjects is not available.
Read moreKnee disorders in primary care: Design and patient selection of the HONEUR knee cohort
This paper describes the methods used for data collection, and discusses potential selectiveness of patient recruitment.
Read morePsychological distress, disturbed sleep and physical activity during the night in chronic low-back pain patients
This study investigates the relationship between psychological distress and disturbed sleep characteristics in patients with chronic low-back pain.
Read moreThe Groningen Orthopedic Exit Strategy (GOES): A home-based support program for total hip and knee arthroplasty patients after shortened hospital stay
It is our hypothesis that patients who participate in such a support program will be able to resume activities of daily living more quickly and effectively, and will reach higher levels of physical activity compared to patients who only follow the shortened program.
Read moreExercise Therapy After Coronary Artery Bypass Graft Surgery: A Randomized Comparison of a High and Low Frequency Exercise Therapy Program
The aim of this study was to compare the effectiveness of a low frequency (once daily, not in the weekend) program with a high frequency (twice daily, including the weekend) one and to assess whether the latter would yield sufficient benefit for the patient to justify higher costs in material and personnel (physiotherapists) after uncomplicated coronary artery bypass graft (CABG) surgery.
Read moreCorrelations between the step activity monitor and the DynaPort ADL-monitor
This study was performed to evaluate correlations between the DynaPort activity of daily living monitor and the step activity monitor.
Read moreOnline monitoring of dyskinesia in patients with Parkinson’s disease
The authors describe the present state-of-the-art of online monitoring of motor behavior. They focus on modern monitoring equipment and on new analysis tools, which allow a quantitative detection and assessment of dyskinesias throughout the day, by an objective, unsupervised rating of dyskinesias using clinical rating scores.
Read moreA correlation study of objective functionality and WOMAC in total knee arthroplasty
This retrospective multicenter study assessed the impact of objective variables on subjective self-reported functional outcome after TKA in 128 patients at a mean of 41 months after TKA.
Read moreAssessment of activities of daily living with an ambulatory monitoring system: A comparative study in patients with chronic low back pain and nonsymptomatic controls
The aim of this study was twofold: (1) to investigate whether differences in activities of daily living exist between patients with chronic low back pain (CLBP) and nonsymptomatic controls; (2) to investigate the day-to-day variability in daily activities.
Read moreMeasuring functional abilities of patients with knee problems: rationale and construction of the DynaPort knee test
We present the rationale and design of the DynaPort knee test. The test aims at measuring knee patients' functional abilities in an unobtrusive, user-friendly way.
Read moreMeasuring physical activity in patients after surgery for a malignant tumour in the leg. The reliability and validity of a continuous ambulatory activity monitor
We examined the reliability and validity of this device in the assessment of seven aspects of function over a period of 24 hours in 20 patients who had undergone limb salvage or amputation for a tumour in the leg.
Read moreData logging technology in ambulatory medical instrumentation
This paper reviews the advancements made in ambulatory data logging used in the study of human subjects since the inception of the analogue tape based data logger in the 1960s.
Read moreThe value of a continuous ambulatory activity monitor to quantify the amount and intensity of daily activity in patients with rheumatoid arthritis
To examine the reliability, validity, and responsiveness of a continuous ambulatory activity monitor in patients with rheumatoid arthritis (RA). Forty-one patients with RA, participating in a randomized controlled trial examining the effect of an intensive exercise program, were assessed by means of the Dynaport ADL (activities of daily living) monitor (AM).
Read moreTechnical Note: Method for objective assessment of physical work load at the workplace
This report presents a method for objective assessment of physical work load at the workplace.
Read moreAmbulatory monitoring of physical activity in working situations, a validation study
In this study the reliability of the monitor in two working situations of one patient has been assessed: maintenance mechanic and messenger in a city hall.
Read moreAmbulatory monitoring of children’s activity
This paper describes the Dynaport® ADL Monitor®, an accelerometry-based system for ambulatory monitoring of the activities of daily living (ADL).
Read moreDetection of static and dynamic activities using uniaxial accelerometers
The feasibility of distinguishing several static and dynamic activities (standing, sitting, lying, walking, ascending stairs, descending stairs, cycling) using a small set of two or three uniaxial accelerometers mounted on the body was investigated.
Read moreAmbulatory Monitoring of Mobility-Related Activities: the Initial Phase of the Development of an Activity Monitor
The aim of the first phase project is the development of auser- and patient-friendly instrument that enables distinguishing between a Set of selected mobility-related activities in areliable and valid manner.
Read more