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Computerized Posturographic Measurement in Elderly Women with Unilateral Knee Osteoarthritis

OBJECTIVE: To identify the subtle change of postural control in elderly patients with unilateral knee osteoarthritis (OA) with computerized dynamic posturography. METHOD: Twenty-two healthy women and twenty-six women with unilateral knee OA, aged 60 and over, were enrolled. The computerized posturog...

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Autores principales: Lim, Kil-Byung, Lee, Hong-Jae
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Korean Academy of Rehabilitation Medicine 2012
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3503936/
https://www.ncbi.nlm.nih.gov/pubmed/23185725
http://dx.doi.org/10.5535/arm.2012.36.5.618
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author Lim, Kil-Byung
Lee, Hong-Jae
author_facet Lim, Kil-Byung
Lee, Hong-Jae
author_sort Lim, Kil-Byung
collection PubMed
description OBJECTIVE: To identify the subtle change of postural control in elderly patients with unilateral knee osteoarthritis (OA) with computerized dynamic posturography. METHOD: Twenty-two healthy women and twenty-six women with unilateral knee OA, aged 60 and over, were enrolled. The computerized posturographic measures included a weight bearing pattern during squatting and sit-to-stand, sway velocity of center of gravity (COG) during one leg standing, on-axis velocity and directional control of COG during rhythmic weight shift, rising index during sit-to-stand, end sway during tandem walk, and movement time during step up/over. RESULTS: It was shown that patients bore significantly less weight on the affected side during the 30° and 60° squat and sit-to-stand. Sway velocity of COG during one leg standing was greater whereas the on-axis velocity and directional control during the front/back rhythmic weight shift were significantly lower in the patient group. The rising index during sit-to-stand was significantly lower and movement time during step up/over with the affected side was significantly longer in patients. CONCLUSION: This study demonstrated in detail a decline of postural balance by utilizing computerized posturography in elderly women with unilateral knee OA. They had less weight-bearing, more sway, and less ability of intentional postural control on the affected side.
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spelling pubmed-35039362012-11-26 Computerized Posturographic Measurement in Elderly Women with Unilateral Knee Osteoarthritis Lim, Kil-Byung Lee, Hong-Jae Ann Rehabil Med Original Article OBJECTIVE: To identify the subtle change of postural control in elderly patients with unilateral knee osteoarthritis (OA) with computerized dynamic posturography. METHOD: Twenty-two healthy women and twenty-six women with unilateral knee OA, aged 60 and over, were enrolled. The computerized posturographic measures included a weight bearing pattern during squatting and sit-to-stand, sway velocity of center of gravity (COG) during one leg standing, on-axis velocity and directional control of COG during rhythmic weight shift, rising index during sit-to-stand, end sway during tandem walk, and movement time during step up/over. RESULTS: It was shown that patients bore significantly less weight on the affected side during the 30° and 60° squat and sit-to-stand. Sway velocity of COG during one leg standing was greater whereas the on-axis velocity and directional control during the front/back rhythmic weight shift were significantly lower in the patient group. The rising index during sit-to-stand was significantly lower and movement time during step up/over with the affected side was significantly longer in patients. CONCLUSION: This study demonstrated in detail a decline of postural balance by utilizing computerized posturography in elderly women with unilateral knee OA. They had less weight-bearing, more sway, and less ability of intentional postural control on the affected side. Korean Academy of Rehabilitation Medicine 2012-10 2012-10-31 /pmc/articles/PMC3503936/ /pubmed/23185725 http://dx.doi.org/10.5535/arm.2012.36.5.618 Text en Copyright © 2012 by Korean Academy of Rehabilitation Medicine http://creativecommons.org/licenses/by-nc/3.0 This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Article
Lim, Kil-Byung
Lee, Hong-Jae
Computerized Posturographic Measurement in Elderly Women with Unilateral Knee Osteoarthritis
title Computerized Posturographic Measurement in Elderly Women with Unilateral Knee Osteoarthritis
title_full Computerized Posturographic Measurement in Elderly Women with Unilateral Knee Osteoarthritis
title_fullStr Computerized Posturographic Measurement in Elderly Women with Unilateral Knee Osteoarthritis
title_full_unstemmed Computerized Posturographic Measurement in Elderly Women with Unilateral Knee Osteoarthritis
title_short Computerized Posturographic Measurement in Elderly Women with Unilateral Knee Osteoarthritis
title_sort computerized posturographic measurement in elderly women with unilateral knee osteoarthritis
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3503936/
https://www.ncbi.nlm.nih.gov/pubmed/23185725
http://dx.doi.org/10.5535/arm.2012.36.5.618
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