Physical activity monitoring in stroke: SenseWear Pro2 Activity accelerometer versus Yamax Digi-Walker SW-200 Pedometer

Physical activity monitoring in stroke: SenseWear Pro2 Activity accelerometer versus Yamax Digi-Walker SW-200 Pedometer

Abstract Purpose: Determine validity and reliability of SenseWear Pro2 Armband (SWP2A) and Yamax Digi-Walker SW-200 Pedometer (YDWP) in stroke and healthy adults. Methods: Fifteen stroke patients and 15 healthy participants wore SWP2A on upper arm and YDWP at hip/knee. Different activities were perf...

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Published in:Disability and rehabilitation Vol. 36; no. 20; pp. 1695 - 1703
Main Authors: Vanroy, Christel, Vissers, Dirk, Cras, Patrick, Beyne, Saskia, Feys, Hilde, Vanlandewijck, Yves, Truijen, Steven
Format: Journal Article
Language:English
Published: England Informa UK Ltd 01-09-2014
Taylor & Francis
Subjects:
Accelerometry - instrumentation
Ambulatory monitoring
Calorimetry, Indirect
Case-Control Studies
Disability Evaluation
energy expenditure
Energy Metabolism
Female
Gait Disorders, Neurologic - physiopathology
Humans
Male
Middle Aged
Monitoring, Ambulatory - instrumentation
Reproducibility of Results
step activity
stroke
Stroke - physiopathology
step activity
energy expenditure
stroke
Ambulatory monitoring
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Summary:Abstract Purpose: Determine validity and reliability of SenseWear Pro2 Armband (SWP2A) and Yamax Digi-Walker SW-200 Pedometer (YDWP) in stroke and healthy adults. Methods: Fifteen stroke patients and 15 healthy participants wore SWP2A on upper arm and YDWP at hip/knee. Different activities were performed: treadmill walking, walking up/down a step, cycling and walking on an even surface. Steps and Energy Expenditure (EE) were measured and compared to steps counted manually and indirect calorimetry. Repeated measurements were compared to determine reliability of both devices. Results: Spearman correlation coefficients between knee-worn YDWP and counted steps while walking on an even surface was 0.89 in healthy and 0.95 in stroke. Treadmill walking revealed high Spearman correlation coefficients in healthy individuals (rs   0.90) and at 1.5 km/h in stroke (rs = 0.69). During other activities YDWP often underestimated steps. SWP2A data revealed inconsistent results in EE and steps. Reliability tested by repeated measurements varied between 0.66 and 0.98 for YDWP and 0.61 and 0.97 for SWP2A. Conclusion: YDWP and SWP2A are both reliable. Only knee-worn YDWP is a valid device to measure steps except high intensity walking in stroke. YDWP systematically undercounts steps during other activities of short duration. This study could not demonstrate valid measurement of steps/EE in stroke using SWP2A.Implications for RehabilitationStroke is a disabling disease with residual neurologic deficits, which impairs mobility and predisposes them to sedentary behavior.A Yamax Digi-Walker SW-200 knee-worn pedometer showed to be a valid and reliable technique to measure ambulatory activity in stroke.A valid instrument to measure energy expenditure in stroke needs to be explored.
Bibliography:ObjectType-Article-1
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ISSN:0963-8288
1464-5165
DOI:10.3109/09638288.2013.859307