Knee joint loadings are related to tibial torsional alignments in people with radiographic medial knee osteoarthritis.

Torsional malalignment was detected in subjects with medial knee osteoarthritis (KOA) but few studies have reported the effect of torsional deformity on knee joint loads during walking. Therefore, this study examined the relationships between lower limb torsional alignments and knee joint loads duri...

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Autores principales:	Chen Huang, Ping Keung Chan, Kwong Yuen Chiu, Chun Hoi Yan, Desmond Shun Shing Yeung, Christopher Wai Keung Lai, Siu Ngor Fu
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/2cd8185c47e74664aa9596aabe63f522
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spelling	oai:doaj.org-article:2cd8185c47e74664aa9596aabe63f5222021-12-02T20:06:30ZKnee joint loadings are related to tibial torsional alignments in people with radiographic medial knee osteoarthritis.1932-620310.1371/journal.pone.0255008https://doaj.org/article/2cd8185c47e74664aa9596aabe63f5222021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0255008https://doaj.org/toc/1932-6203Torsional malalignment was detected in subjects with medial knee osteoarthritis (KOA) but few studies have reported the effect of torsional deformity on knee joint loads during walking. Therefore, this study examined the relationships between lower limb torsional alignments and knee joint loads during gait in people with symptomatic medial KOA using cross-sectional study design. Lower limb alignments including tibial torsion, tibiofemoral rotation and varus/valgus alignments in standing were measured by EOS low-dose bi-planar x-ray system in 47 subjects with mild or moderate KOA. The external knee adduction moment (KAM), flexion moment (KFM) and the KAM index which was defined as (KAM/ (KAM+KFM)*100) during walking were analyzed using a motion analysis system so as to estimate the knee loads. Results revealed externaltibial torsion was positively associated with KAM in subjects with moderate KOA (r = 0.59, p = 0.02) but not in subjects with mild KOA. On the contrary, significant association was found between knee varus/valgus alignment and KAM in the mild KOA group (r = 0.58, p<0.001) and a sign of association in the moderate KOA group (r = 0.47, p = 0.08). We concluded tibial torsion and knee varus/valgus mal-alignments would be associated with joint loading in subjects with moderate medial KOA during walking. Radiographic severity might need to be considered when using gait modification as a rehabilitation strategy for this condition.Chen HuangPing Keung ChanKwong Yuen ChiuChun Hoi YanDesmond Shun Shing YeungChristopher Wai Keung LaiSiu Ngor FuPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 7, p e0255008 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Chen Huang Ping Keung Chan Kwong Yuen Chiu Chun Hoi Yan Desmond Shun Shing Yeung Christopher Wai Keung Lai Siu Ngor Fu Knee joint loadings are related to tibial torsional alignments in people with radiographic medial knee osteoarthritis.
description	Torsional malalignment was detected in subjects with medial knee osteoarthritis (KOA) but few studies have reported the effect of torsional deformity on knee joint loads during walking. Therefore, this study examined the relationships between lower limb torsional alignments and knee joint loads during gait in people with symptomatic medial KOA using cross-sectional study design. Lower limb alignments including tibial torsion, tibiofemoral rotation and varus/valgus alignments in standing were measured by EOS low-dose bi-planar x-ray system in 47 subjects with mild or moderate KOA. The external knee adduction moment (KAM), flexion moment (KFM) and the KAM index which was defined as (KAM/ (KAM+KFM)*100) during walking were analyzed using a motion analysis system so as to estimate the knee loads. Results revealed externaltibial torsion was positively associated with KAM in subjects with moderate KOA (r = 0.59, p = 0.02) but not in subjects with mild KOA. On the contrary, significant association was found between knee varus/valgus alignment and KAM in the mild KOA group (r = 0.58, p<0.001) and a sign of association in the moderate KOA group (r = 0.47, p = 0.08). We concluded tibial torsion and knee varus/valgus mal-alignments would be associated with joint loading in subjects with moderate medial KOA during walking. Radiographic severity might need to be considered when using gait modification as a rehabilitation strategy for this condition.
format	article
author	Chen Huang Ping Keung Chan Kwong Yuen Chiu Chun Hoi Yan Desmond Shun Shing Yeung Christopher Wai Keung Lai Siu Ngor Fu
author_facet	Chen Huang Ping Keung Chan Kwong Yuen Chiu Chun Hoi Yan Desmond Shun Shing Yeung Christopher Wai Keung Lai Siu Ngor Fu
author_sort	Chen Huang
title	Knee joint loadings are related to tibial torsional alignments in people with radiographic medial knee osteoarthritis.
title_short	Knee joint loadings are related to tibial torsional alignments in people with radiographic medial knee osteoarthritis.
title_full	Knee joint loadings are related to tibial torsional alignments in people with radiographic medial knee osteoarthritis.
title_fullStr	Knee joint loadings are related to tibial torsional alignments in people with radiographic medial knee osteoarthritis.
title_full_unstemmed	Knee joint loadings are related to tibial torsional alignments in people with radiographic medial knee osteoarthritis.
title_sort	knee joint loadings are related to tibial torsional alignments in people with radiographic medial knee osteoarthritis.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/2cd8185c47e74664aa9596aabe63f522
work_keys_str_mv	AT chenhuang kneejointloadingsarerelatedtotibialtorsionalalignmentsinpeoplewithradiographicmedialkneeosteoarthritis AT pingkeungchan kneejointloadingsarerelatedtotibialtorsionalalignmentsinpeoplewithradiographicmedialkneeosteoarthritis AT kwongyuenchiu kneejointloadingsarerelatedtotibialtorsionalalignmentsinpeoplewithradiographicmedialkneeosteoarthritis AT chunhoiyan kneejointloadingsarerelatedtotibialtorsionalalignmentsinpeoplewithradiographicmedialkneeosteoarthritis AT desmondshunshingyeung kneejointloadingsarerelatedtotibialtorsionalalignmentsinpeoplewithradiographicmedialkneeosteoarthritis AT christopherwaikeunglai kneejointloadingsarerelatedtotibialtorsionalalignmentsinpeoplewithradiographicmedialkneeosteoarthritis AT siungorfu kneejointloadingsarerelatedtotibialtorsionalalignmentsinpeoplewithradiographicmedialkneeosteoarthritis
_version_	1718375352393269248

Knee joint loadings are related to tibial torsional alignments in people with radiographic medial knee osteoarthritis.

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