Compromised balance control in older people with bilateral medial knee osteoarthritis during level walking

Abstract About half of the elderly population has knee osteoarthritis (OA), showing altered gait patterns with increased fall risk. The current study aimed to identify the effects of severe bilateral medial knee osteoarthritis on gait balance control, in terms of the inclination angle (IA) of the ce...

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Autores principales:	Pei-An Lee, Kuan-Hsien Wu, Hsuan-Yu Lu, Kai-Wen Su, Ting-Ming Wang, Hwa-Chang Liu, Tung-Wu Lu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/8545f205aa1c489fbe48432e31bc0ad7
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spelling	oai:doaj.org-article:8545f205aa1c489fbe48432e31bc0ad72021-12-02T14:11:32ZCompromised balance control in older people with bilateral medial knee osteoarthritis during level walking10.1038/s41598-021-83233-w2045-2322https://doaj.org/article/8545f205aa1c489fbe48432e31bc0ad72021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-83233-whttps://doaj.org/toc/2045-2322Abstract About half of the elderly population has knee osteoarthritis (OA), showing altered gait patterns with increased fall risk. The current study aimed to identify the effects of severe bilateral medial knee osteoarthritis on gait balance control, in terms of the inclination angle (IA) of the center of pressure to center of mass vector, and the rate of change of IA (RCIA). Fifteen older adults with severe bilateral medial knee OA and 15 healthy controls walked at their preferred walking speed while the kinematic and forceplate data were measured to calculate IA, RCIA and temporal–spatial parameters. The OA group showed compromised gait balance control, due to a decreased average and range of sagittal RCIA over double-limb support (DLS, p < 0.002) and single-limb support (SLS, p < 0.002), as well as an increased sagittal IA (DLS, p < 0.005). Significantly decreased frontal RCIA averages during DLS, heel-strike and toe-off, and decreased RCIA ranges during SLS and swing (p < 0.027) were also observed. Reducing RCIA during DLS appeared to help reduce the loading rate and pain at the knees, and reduced RCIA at the subsequent SLS. The results indicated an increased risk of loss of balance in the OA group, and may warrant regular monitoring for reduced RCIA during gait to determine fall risk.Pei-An LeeKuan-Hsien WuHsuan-Yu LuKai-Wen SuTing-Ming WangHwa-Chang LiuTung-Wu LuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Pei-An Lee Kuan-Hsien Wu Hsuan-Yu Lu Kai-Wen Su Ting-Ming Wang Hwa-Chang Liu Tung-Wu Lu Compromised balance control in older people with bilateral medial knee osteoarthritis during level walking
description	Abstract About half of the elderly population has knee osteoarthritis (OA), showing altered gait patterns with increased fall risk. The current study aimed to identify the effects of severe bilateral medial knee osteoarthritis on gait balance control, in terms of the inclination angle (IA) of the center of pressure to center of mass vector, and the rate of change of IA (RCIA). Fifteen older adults with severe bilateral medial knee OA and 15 healthy controls walked at their preferred walking speed while the kinematic and forceplate data were measured to calculate IA, RCIA and temporal–spatial parameters. The OA group showed compromised gait balance control, due to a decreased average and range of sagittal RCIA over double-limb support (DLS, p < 0.002) and single-limb support (SLS, p < 0.002), as well as an increased sagittal IA (DLS, p < 0.005). Significantly decreased frontal RCIA averages during DLS, heel-strike and toe-off, and decreased RCIA ranges during SLS and swing (p < 0.027) were also observed. Reducing RCIA during DLS appeared to help reduce the loading rate and pain at the knees, and reduced RCIA at the subsequent SLS. The results indicated an increased risk of loss of balance in the OA group, and may warrant regular monitoring for reduced RCIA during gait to determine fall risk.
format	article
author	Pei-An Lee Kuan-Hsien Wu Hsuan-Yu Lu Kai-Wen Su Ting-Ming Wang Hwa-Chang Liu Tung-Wu Lu
author_facet	Pei-An Lee Kuan-Hsien Wu Hsuan-Yu Lu Kai-Wen Su Ting-Ming Wang Hwa-Chang Liu Tung-Wu Lu
author_sort	Pei-An Lee
title	Compromised balance control in older people with bilateral medial knee osteoarthritis during level walking
title_short	Compromised balance control in older people with bilateral medial knee osteoarthritis during level walking
title_full	Compromised balance control in older people with bilateral medial knee osteoarthritis during level walking
title_fullStr	Compromised balance control in older people with bilateral medial knee osteoarthritis during level walking
title_full_unstemmed	Compromised balance control in older people with bilateral medial knee osteoarthritis during level walking
title_sort	compromised balance control in older people with bilateral medial knee osteoarthritis during level walking
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/8545f205aa1c489fbe48432e31bc0ad7
work_keys_str_mv	AT peianlee compromisedbalancecontrolinolderpeoplewithbilateralmedialkneeosteoarthritisduringlevelwalking AT kuanhsienwu compromisedbalancecontrolinolderpeoplewithbilateralmedialkneeosteoarthritisduringlevelwalking AT hsuanyulu compromisedbalancecontrolinolderpeoplewithbilateralmedialkneeosteoarthritisduringlevelwalking AT kaiwensu compromisedbalancecontrolinolderpeoplewithbilateralmedialkneeosteoarthritisduringlevelwalking AT tingmingwang compromisedbalancecontrolinolderpeoplewithbilateralmedialkneeosteoarthritisduringlevelwalking AT hwachangliu compromisedbalancecontrolinolderpeoplewithbilateralmedialkneeosteoarthritisduringlevelwalking AT tungwulu compromisedbalancecontrolinolderpeoplewithbilateralmedialkneeosteoarthritisduringlevelwalking
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Compromised balance control in older people with bilateral medial knee osteoarthritis during level walking

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