| Using detrended fluctuation analysis (DFA) to analyze whether vibratory insoles enhance balance stability for elderly fallers. | |
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MedLine Citation:
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PMID: 22169622 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Falls are a common and devastating problem among elderly people. In a previous study, vibratory insoles were developed to improve postural stability for elderly fallers. To verify the effects of vibratory insoles, a two-stage experiment was conducted to collect center of pressure (COP) signals from 26 elderly fallers and 16 healthy young subjects while standing still. The DFA is used to analyze the behavior of different time-series data obtained from the trajectory of COP. Postural stability was compared by the DFA scaling exponent between a control condition (before using vibratory insoles) and a vibration condition (after using vibratory insoles). For elderly fallers, DFA scaling exponents 95% confidence interval were [1.434, 1.547] and [1.329, 1.451] under control and vibration conditions in the anteroposterior (AP) direction, respectively. The experimental results revealed that temporary stimuli of appropriate amplitude produced by vibration insoles enhanced postural stability in elderly fallers and was more obvious in the AP direction. |
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Authors:
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Chien-Chih Wang; Wen-Hung Yang |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-12-12 |
Journal Detail:
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Title: Archives of gerontology and geriatrics Volume: - ISSN: 1872-6976 ISO Abbreviation: - Publication Date: 2011 Dec |
Date Detail:
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Created Date: 2011-12-15 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8214379 Medline TA: Arch Gerontol Geriatr Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier Ireland Ltd. All rights reserved. |
Affiliation:
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Department of Industrial Engineering and Management, Ming Chi University of Technology, New Taipei City 243, Taiwan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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