| The effects of obesity on balance recovery using an ankle strategy. | |
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MedLine Citation:
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PMID: 21470705 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Obesity is associated with an increased risk of falls. The purpose of this study was to investigate the effects of obesity on balance recovery using an ankle strategy. In addition, computer simulations to understand how increased inertia and weight associated with obesity independently influence balance recovery. Ten normal weight (BMI: 22.7±0.6kg/m(2)) and ten obese (BMI: 32.2±2.2kg/m(2)) adult male subjects participated in the study. Subjects recovered balance using an ankle strategy after three types of postural perturbations: an initial angular displacement, an initial angular velocity from the natural stance, and an initial angular velocity from a prescribed position. Balance recovery was quantified by the largest initial angular displacement or angular velocity from which balance could be recovered. Obesity impaired balance recovery from perturbations involving an initial angular velocity, but not from an initial angular displacement. Similarly, computer simulations determined that increased inertia is beneficial to balance recovery when there is little to no initial angular velocity. These findings indicate that the effects of obesity on balance recovery are dependent on the type of perturbation, and that increased inertia associated with obesity can be beneficial for perturbations that involve little to no initial angular velocity. |
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Authors:
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Sara L Matrangola; Michael L Madigan |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-4-4 |
Journal Detail:
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Title: Human movement science Volume: - ISSN: 1872-7646 ISO Abbreviation: - Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-4-7 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8300127 Medline TA: Hum Mov Sci Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier B.V. All rights reserved. |
Affiliation:
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Virginia Tech-Wake Forest School of Biomedical Engineering and Sciences, Blacksburg, VA, United States. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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