The Relationship between Leg Extension Angle at Late Stance and Knee Flexion Angle at Swing Phase during Gait in Community-Dwelling Older Adults

This study aimed to clarify the relationship between leg extension angle and knee flexion angle during gait in older adults. The subjects of this cross-sectional study were 588 community-dwelling older adults (74.6 ± 6.1 y). Segment angles and acceleration were measured using five inertial measureme...

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Autores principales:	Takasuke Miyazaki, Ryoji Kiyama, Yuki Nakai, Masayuki Kawada, Yasufumi Takeshita, Sota Araki, Hiroyuki Hayashi, Naoto Higashi, Hyuma Makizako
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	wearable sensor joint angle propulsion force gait analysis Medicine R
Acceso en línea:	https://doaj.org/article/c950f11986914b179833cc0142a8b075
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spelling	oai:doaj.org-article:c950f11986914b179833cc0142a8b0752021-11-25T17:49:31ZThe Relationship between Leg Extension Angle at Late Stance and Knee Flexion Angle at Swing Phase during Gait in Community-Dwelling Older Adults10.3390/ijerph1822119251660-46011661-7827https://doaj.org/article/c950f11986914b179833cc0142a8b0752021-11-01T00:00:00Zhttps://www.mdpi.com/1660-4601/18/22/11925https://doaj.org/toc/1661-7827https://doaj.org/toc/1660-4601This study aimed to clarify the relationship between leg extension angle and knee flexion angle during gait in older adults. The subjects of this cross-sectional study were 588 community-dwelling older adults (74.6 ± 6.1 y). Segment angles and acceleration were measured using five inertial measurement units during comfortable gait, and bilateral knee and hip joint angles, and leg extension angle, reflecting whole lower limb extension at late stance, were calculated. Propulsion force was estimated using the increase in velocity calculated from anterior acceleration of the sacrum during late stance. Correlation analysis showed that leg extension angle was associated with knee flexion angle at swing phase and hip extension angle and increase in velocity at late stance (r = 0.444–508, <i>p</i> < 0.001). Multiple regression analysis showed that knee flexion angle at mid-swing was more affected by leg extension angle (β = 0.296, <i>p</i> < 0.001) than by gait speed (β = 0.219, <i>p</i> < 0.001) and maximum hip extension angle (β = −0.150, <i>p</i> < 0.001). These findings indicate that leg extension angle may be a meaningful parameter for improving gait function in older adults due to the association with knee kinematics during swing as well as propulsion force at late stance.Takasuke MiyazakiRyoji KiyamaYuki NakaiMasayuki KawadaYasufumi TakeshitaSota ArakiHiroyuki HayashiNaoto HigashiHyuma MakizakoMDPI AGarticlewearable sensorjoint anglepropulsion forcegait analysisMedicineRENInternational Journal of Environmental Research and Public Health, Vol 18, Iss 11925, p 11925 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	wearable sensor joint angle propulsion force gait analysis Medicine R
spellingShingle	wearable sensor joint angle propulsion force gait analysis Medicine R Takasuke Miyazaki Ryoji Kiyama Yuki Nakai Masayuki Kawada Yasufumi Takeshita Sota Araki Hiroyuki Hayashi Naoto Higashi Hyuma Makizako The Relationship between Leg Extension Angle at Late Stance and Knee Flexion Angle at Swing Phase during Gait in Community-Dwelling Older Adults
description	This study aimed to clarify the relationship between leg extension angle and knee flexion angle during gait in older adults. The subjects of this cross-sectional study were 588 community-dwelling older adults (74.6 ± 6.1 y). Segment angles and acceleration were measured using five inertial measurement units during comfortable gait, and bilateral knee and hip joint angles, and leg extension angle, reflecting whole lower limb extension at late stance, were calculated. Propulsion force was estimated using the increase in velocity calculated from anterior acceleration of the sacrum during late stance. Correlation analysis showed that leg extension angle was associated with knee flexion angle at swing phase and hip extension angle and increase in velocity at late stance (r = 0.444–508, <i>p</i> < 0.001). Multiple regression analysis showed that knee flexion angle at mid-swing was more affected by leg extension angle (β = 0.296, <i>p</i> < 0.001) than by gait speed (β = 0.219, <i>p</i> < 0.001) and maximum hip extension angle (β = −0.150, <i>p</i> < 0.001). These findings indicate that leg extension angle may be a meaningful parameter for improving gait function in older adults due to the association with knee kinematics during swing as well as propulsion force at late stance.
format	article
author	Takasuke Miyazaki Ryoji Kiyama Yuki Nakai Masayuki Kawada Yasufumi Takeshita Sota Araki Hiroyuki Hayashi Naoto Higashi Hyuma Makizako
author_facet	Takasuke Miyazaki Ryoji Kiyama Yuki Nakai Masayuki Kawada Yasufumi Takeshita Sota Araki Hiroyuki Hayashi Naoto Higashi Hyuma Makizako
author_sort	Takasuke Miyazaki
title	The Relationship between Leg Extension Angle at Late Stance and Knee Flexion Angle at Swing Phase during Gait in Community-Dwelling Older Adults
title_short	The Relationship between Leg Extension Angle at Late Stance and Knee Flexion Angle at Swing Phase during Gait in Community-Dwelling Older Adults
title_full	The Relationship between Leg Extension Angle at Late Stance and Knee Flexion Angle at Swing Phase during Gait in Community-Dwelling Older Adults
title_fullStr	The Relationship between Leg Extension Angle at Late Stance and Knee Flexion Angle at Swing Phase during Gait in Community-Dwelling Older Adults
title_full_unstemmed	The Relationship between Leg Extension Angle at Late Stance and Knee Flexion Angle at Swing Phase during Gait in Community-Dwelling Older Adults
title_sort	relationship between leg extension angle at late stance and knee flexion angle at swing phase during gait in community-dwelling older adults
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/c950f11986914b179833cc0142a8b075
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The Relationship between Leg Extension Angle at Late Stance and Knee Flexion Angle at Swing Phase during Gait in Community-Dwelling Older Adults

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