Effect of foot–floor friction on the external moment about the body center of mass during shuffling gait: a pilot study

Abstract Herein, we investigated the effect of friction between foot sole and floor on the external forward moment about the body center of mass (COM) in normal and shuffling gaits. Five young male adults walked with normal and shuffling gaits, under low- and high-friction surface conditions. The ma...

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Autores principales:	Takeshi Yamaguchi, Kei Shibata, Hiromi Wada, Hiroshi Kakehi, Kazuo Hokkirigawa
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/914210027e594412a7d41459720ac638
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spelling	oai:doaj.org-article:914210027e594412a7d41459720ac6382021-12-02T17:47:04ZEffect of foot–floor friction on the external moment about the body center of mass during shuffling gait: a pilot study10.1038/s41598-021-91683-52045-2322https://doaj.org/article/914210027e594412a7d41459720ac6382021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-91683-5https://doaj.org/toc/2045-2322Abstract Herein, we investigated the effect of friction between foot sole and floor on the external forward moment about the body center of mass (COM) in normal and shuffling gaits. Five young male adults walked with normal and shuffling gaits, under low- and high-friction surface conditions. The maximum external forward moment about the COM (MEFM-COM) in a normal gait appeared approximately at initial foot contact and was unaffected by floor condition. However, MEFM-COM in a shuffling gait under high-friction conditions exceeded that under low-friction conditions (p < 0.001). Therein, MEFM-COM increased with an increasing utilized coefficient of friction at initial foot contact; this effect was weaker during a normal gait. These findings indicate that increased friction between foot sole and floor might increase tripping risk during a shuffling gait, even in the absence of discrete physical obstacles.Takeshi YamaguchiKei ShibataHiromi WadaHiroshi KakehiKazuo HokkirigawaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Takeshi Yamaguchi Kei Shibata Hiromi Wada Hiroshi Kakehi Kazuo Hokkirigawa Effect of foot–floor friction on the external moment about the body center of mass during shuffling gait: a pilot study
description	Abstract Herein, we investigated the effect of friction between foot sole and floor on the external forward moment about the body center of mass (COM) in normal and shuffling gaits. Five young male adults walked with normal and shuffling gaits, under low- and high-friction surface conditions. The maximum external forward moment about the COM (MEFM-COM) in a normal gait appeared approximately at initial foot contact and was unaffected by floor condition. However, MEFM-COM in a shuffling gait under high-friction conditions exceeded that under low-friction conditions (p < 0.001). Therein, MEFM-COM increased with an increasing utilized coefficient of friction at initial foot contact; this effect was weaker during a normal gait. These findings indicate that increased friction between foot sole and floor might increase tripping risk during a shuffling gait, even in the absence of discrete physical obstacles.
format	article
author	Takeshi Yamaguchi Kei Shibata Hiromi Wada Hiroshi Kakehi Kazuo Hokkirigawa
author_facet	Takeshi Yamaguchi Kei Shibata Hiromi Wada Hiroshi Kakehi Kazuo Hokkirigawa
author_sort	Takeshi Yamaguchi
title	Effect of foot–floor friction on the external moment about the body center of mass during shuffling gait: a pilot study
title_short	Effect of foot–floor friction on the external moment about the body center of mass during shuffling gait: a pilot study
title_full	Effect of foot–floor friction on the external moment about the body center of mass during shuffling gait: a pilot study
title_fullStr	Effect of foot–floor friction on the external moment about the body center of mass during shuffling gait: a pilot study
title_full_unstemmed	Effect of foot–floor friction on the external moment about the body center of mass during shuffling gait: a pilot study
title_sort	effect of foot–floor friction on the external moment about the body center of mass during shuffling gait: a pilot study
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/914210027e594412a7d41459720ac638
work_keys_str_mv	AT takeshiyamaguchi effectoffootfloorfrictionontheexternalmomentaboutthebodycenterofmassduringshufflinggaitapilotstudy AT keishibata effectoffootfloorfrictionontheexternalmomentaboutthebodycenterofmassduringshufflinggaitapilotstudy AT hiromiwada effectoffootfloorfrictionontheexternalmomentaboutthebodycenterofmassduringshufflinggaitapilotstudy AT hiroshikakehi effectoffootfloorfrictionontheexternalmomentaboutthebodycenterofmassduringshufflinggaitapilotstudy AT kazuohokkirigawa effectoffootfloorfrictionontheexternalmomentaboutthebodycenterofmassduringshufflinggaitapilotstudy
_version_	1718379540991967232

Effect of foot–floor friction on the external moment about the body center of mass during shuffling gait: a pilot study

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