Superposition principle applies to human walking with two simultaneous interventions

Abstract Gait rehabilitation therapies provide adjusted sensory inputs to modify and retrain walking patterns in an impaired gait. Asymmetric walking is a common gait abnormality, especially among stroke survivors. Physical therapy interventions using adaptation techniques (such as treadmill trainin...

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Autores principales:	Fatemeh Rasouli, Seok Hun Kim, Kyle B. Reed
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a423f3b3131d43648061317e80351a79
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spelling	oai:doaj.org-article:a423f3b3131d43648061317e80351a792021-12-02T18:17:42ZSuperposition principle applies to human walking with two simultaneous interventions10.1038/s41598-021-86840-92045-2322https://doaj.org/article/a423f3b3131d43648061317e80351a792021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86840-9https://doaj.org/toc/2045-2322Abstract Gait rehabilitation therapies provide adjusted sensory inputs to modify and retrain walking patterns in an impaired gait. Asymmetric walking is a common gait abnormality, especially among stroke survivors. Physical therapy interventions using adaptation techniques (such as treadmill training, auditory stimulation, visual biofeedback, etc.) train gait toward symmetry. However, a single rehabilitation therapy comes up short of affecting all aspects of gait performance. Multiple-rehabilitation therapy applies simultaneous stimuli to affect a wider range of gait parameters and create flexible training regiments. Understanding gait responses to individual and jointly applied stimuli is important for developing improved and efficient therapies. In this study, 16 healthy subjects participated in a four-session experiment to study gait kinetics and spatiotemporal outcomes under training. Each session consisted of two stimuli, treadmill training and auditory stimulation, with symmetric or asymmetric ratios between legs. The study hypothesizes a linear model for gait response patterns. We found that the superposition principle largely applies to the gait response under two simultaneous stimuli. The linear models developed in this study fit the actual data from experiments with the r-squared values of 0.95 or more.Fatemeh RasouliSeok Hun KimKyle B. ReedNature 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 Fatemeh Rasouli Seok Hun Kim Kyle B. Reed Superposition principle applies to human walking with two simultaneous interventions
description	Abstract Gait rehabilitation therapies provide adjusted sensory inputs to modify and retrain walking patterns in an impaired gait. Asymmetric walking is a common gait abnormality, especially among stroke survivors. Physical therapy interventions using adaptation techniques (such as treadmill training, auditory stimulation, visual biofeedback, etc.) train gait toward symmetry. However, a single rehabilitation therapy comes up short of affecting all aspects of gait performance. Multiple-rehabilitation therapy applies simultaneous stimuli to affect a wider range of gait parameters and create flexible training regiments. Understanding gait responses to individual and jointly applied stimuli is important for developing improved and efficient therapies. In this study, 16 healthy subjects participated in a four-session experiment to study gait kinetics and spatiotemporal outcomes under training. Each session consisted of two stimuli, treadmill training and auditory stimulation, with symmetric or asymmetric ratios between legs. The study hypothesizes a linear model for gait response patterns. We found that the superposition principle largely applies to the gait response under two simultaneous stimuli. The linear models developed in this study fit the actual data from experiments with the r-squared values of 0.95 or more.
format	article
author	Fatemeh Rasouli Seok Hun Kim Kyle B. Reed
author_facet	Fatemeh Rasouli Seok Hun Kim Kyle B. Reed
author_sort	Fatemeh Rasouli
title	Superposition principle applies to human walking with two simultaneous interventions
title_short	Superposition principle applies to human walking with two simultaneous interventions
title_full	Superposition principle applies to human walking with two simultaneous interventions
title_fullStr	Superposition principle applies to human walking with two simultaneous interventions
title_full_unstemmed	Superposition principle applies to human walking with two simultaneous interventions
title_sort	superposition principle applies to human walking with two simultaneous interventions
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/a423f3b3131d43648061317e80351a79
work_keys_str_mv	AT fatemehrasouli superpositionprincipleappliestohumanwalkingwithtwosimultaneousinterventions AT seokhunkim superpositionprincipleappliestohumanwalkingwithtwosimultaneousinterventions AT kylebreed superpositionprincipleappliestohumanwalkingwithtwosimultaneousinterventions
_version_	1718378291457425408

Superposition principle applies to human walking with two simultaneous interventions

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