The effect of self-reported knee instability on plantar pressure and postural sways in women with knee osteoarthritis

Abstract Background Giving way and knee instability are common problems in patients with knee osteoarthritis, disrupting the daily activities and balance of the affected individual. The present study aimed to evaluate the postural control status of women with knee osteoarthritis with and without sel...

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Autores principales:	Liana Chaharmahali, Farzaneh Gandomi, Ali Yalfani, Alireza Fazaeli
Formato:	article
Lenguaje:	EN
Publicado:	BMC 2021
Materias:	Knee osteoarthritis Knee instability Biodex Postural control Fall Orthopedic surgery RD701-811 Diseases of the musculoskeletal system RC925-935
Acceso en línea:	https://doaj.org/article/bed4c50392e040bab1ba0d4e1cf229cb
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spelling	oai:doaj.org-article:bed4c50392e040bab1ba0d4e1cf229cb2021-11-21T12:30:06ZThe effect of self-reported knee instability on plantar pressure and postural sways in women with knee osteoarthritis10.1186/s13018-021-02823-61749-799Xhttps://doaj.org/article/bed4c50392e040bab1ba0d4e1cf229cb2021-11-01T00:00:00Zhttps://doi.org/10.1186/s13018-021-02823-6https://doaj.org/toc/1749-799XAbstract Background Giving way and knee instability are common problems in patients with knee osteoarthritis, disrupting the daily activities and balance of the affected individual. The present study aimed to evaluate the postural control status of women with knee osteoarthritis with and without self-report knee instability (KI). Methods This cross-sectional, single-blind study was conducted on 57 female patients with knee osteoarthritis. The patients were selected based on the inclusion and exclusion criteria and divided into two groups of with KI (n = 26) and without KI (n = 31). Fear of movement was assessed using the Tampa questionnaire, the degree of knee instability was measured based on the Fitzgard scale, the static and dynamic balance of the subjects were evaluated with open and closed eyes using a Biodex balance device, and foot pressure distribution situation was measured using a FDM-S-Zebris device. Results Mean comparison showed a significant difference between the subjects with and without KI in static balance only in anterior–posterior direction with open eyes (p = 0.01) and closed eyes (p = 0.0001). In the dynamic balance test, the subjects in both groups had significant differences in terms of all the indicators of anterior–posterior stability (p = 0.001), medial–lateral stability (p = 0.0001), and overall stability (p = 0.0001) with closed eyes. However, no significant difference was observed with open eyes (p > 0.05). Multiple regression also indicated significant positive correlations between pain intensity and disease duration with the degree of KI (p < 0.05). Conclusions According to the results, there were significant differences between the mean pain scores, static and dynamic balance, and the rate of fall between the women with knee osteoarthritis with and without the KI index. Therefore, patients with knee osteoarthritis, which also has an index of KI, are more susceptible to falls, and proper strategies are required to reduce the level of KI in these patients.Liana ChaharmahaliFarzaneh GandomiAli YalfaniAlireza FazaeliBMCarticleKnee osteoarthritisKnee instabilityBiodexPostural controlFallOrthopedic surgeryRD701-811Diseases of the musculoskeletal systemRC925-935ENJournal of Orthopaedic Surgery and Research, Vol 16, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Knee osteoarthritis Knee instability Biodex Postural control Fall Orthopedic surgery RD701-811 Diseases of the musculoskeletal system RC925-935
spellingShingle	Knee osteoarthritis Knee instability Biodex Postural control Fall Orthopedic surgery RD701-811 Diseases of the musculoskeletal system RC925-935 Liana Chaharmahali Farzaneh Gandomi Ali Yalfani Alireza Fazaeli The effect of self-reported knee instability on plantar pressure and postural sways in women with knee osteoarthritis
description	Abstract Background Giving way and knee instability are common problems in patients with knee osteoarthritis, disrupting the daily activities and balance of the affected individual. The present study aimed to evaluate the postural control status of women with knee osteoarthritis with and without self-report knee instability (KI). Methods This cross-sectional, single-blind study was conducted on 57 female patients with knee osteoarthritis. The patients were selected based on the inclusion and exclusion criteria and divided into two groups of with KI (n = 26) and without KI (n = 31). Fear of movement was assessed using the Tampa questionnaire, the degree of knee instability was measured based on the Fitzgard scale, the static and dynamic balance of the subjects were evaluated with open and closed eyes using a Biodex balance device, and foot pressure distribution situation was measured using a FDM-S-Zebris device. Results Mean comparison showed a significant difference between the subjects with and without KI in static balance only in anterior–posterior direction with open eyes (p = 0.01) and closed eyes (p = 0.0001). In the dynamic balance test, the subjects in both groups had significant differences in terms of all the indicators of anterior–posterior stability (p = 0.001), medial–lateral stability (p = 0.0001), and overall stability (p = 0.0001) with closed eyes. However, no significant difference was observed with open eyes (p > 0.05). Multiple regression also indicated significant positive correlations between pain intensity and disease duration with the degree of KI (p < 0.05). Conclusions According to the results, there were significant differences between the mean pain scores, static and dynamic balance, and the rate of fall between the women with knee osteoarthritis with and without the KI index. Therefore, patients with knee osteoarthritis, which also has an index of KI, are more susceptible to falls, and proper strategies are required to reduce the level of KI in these patients.
format	article
author	Liana Chaharmahali Farzaneh Gandomi Ali Yalfani Alireza Fazaeli
author_facet	Liana Chaharmahali Farzaneh Gandomi Ali Yalfani Alireza Fazaeli
author_sort	Liana Chaharmahali
title	The effect of self-reported knee instability on plantar pressure and postural sways in women with knee osteoarthritis
title_short	The effect of self-reported knee instability on plantar pressure and postural sways in women with knee osteoarthritis
title_full	The effect of self-reported knee instability on plantar pressure and postural sways in women with knee osteoarthritis
title_fullStr	The effect of self-reported knee instability on plantar pressure and postural sways in women with knee osteoarthritis
title_full_unstemmed	The effect of self-reported knee instability on plantar pressure and postural sways in women with knee osteoarthritis
title_sort	effect of self-reported knee instability on plantar pressure and postural sways in women with knee osteoarthritis
publisher	BMC
publishDate	2021
url	https://doaj.org/article/bed4c50392e040bab1ba0d4e1cf229cb
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The effect of self-reported knee instability on plantar pressure and postural sways in women with knee osteoarthritis

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