Abstract:
:The purpose of this study was to examine the accuracy of uni- and triaxial accelerometers in monitoring step counts and gait intensity in older people who did or did not use an assistive device. Forty-nine healthy and frail older adults wore uniaxial (Lifecorder, Suzuken Co. Ltd.) and triaxial accelerometers (Activity Monitor, Matsushita Electronic Works, Ltd., and Active Style Pro, Omron Healthcare Co., Ltd.) during three trials at different gait speeds. All accelerometers gave relatively accurate step counts for healthy older participants compared with direct observation; however, the error was greater for frail older people with assistive devices. Gait intensity detection error was unaffected by gait speed. Among frail older people with assistive devices, the gait intensity error was smaller than for step count error. To accurately assess the steps walked or the gait intensity among frail older people using assistive devices, more study is needed on these groups of participants.
journal_name
J Aging Phys Actjournal_title
Journal of aging and physical activityauthors
Park J,Ishikawa-Takata K,Tanaka S,Bessyo K,Tanaka S,Kimura Tdoi
10.1123/japa.2015-0201subject
Has Abstractpub_date
2017-01-01 00:00:00pages
41-50issue
1eissn
1063-8652issn
1543-267Xpii
2015-0201journal_volume
25pub_type
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