Muscle Synergy Alteration of Human During Walking With Lower Limb Exoskeleton

Muscle synergy reflects inherent coordination patterns of muscle groups as the human body finishes required movements. It may be still unknown whether the original muscle synergy of subjects may alter or not when exoskeletons are put on during their normal walking activities. This paper reports expe...

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Main Authors: Zhan Li, Huxian Liu, Ziguang Yin, Kejia Chen
Format: Article
Language:English
Published: Frontiers Media S.A. 2019-01-01
Series:Frontiers in Neuroscience
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/fnins.2018.01050/full
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author Zhan Li
Huxian Liu
Ziguang Yin
Kejia Chen
author_facet Zhan Li
Huxian Liu
Ziguang Yin
Kejia Chen
author_sort Zhan Li
collection DOAJ
description Muscle synergy reflects inherent coordination patterns of muscle groups as the human body finishes required movements. It may be still unknown whether the original muscle synergy of subjects may alter or not when exoskeletons are put on during their normal walking activities. This paper reports experimental results and presents analysis on muscle synergy from 17 able-bodied subjects with and without lower-limb exoskeletons when they performed normal walking tasks. The electromyography (EMG) signals of the tibialis anterior (TA), soleus (SOL), lateral gastrocnemius (GAS), vastus medialis oblique (VMO), vastus lateralis oblique (VLO), biceps femoris (BICE), semitendinosus (SEMI), and rectus femoris (RECT) muscles were extracted to obtain the muscle synergy. The quantitative results show that, when the subjects wore exoskeletons to walk normally, their mean muscle synergy changed from when they walked without exoskeletons. When the subjects walked with and without exoskeletons, statistically significant differences on sub-patterns of the muscles' synergies between the corresponding two groups could be found.
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spelling doaj.art-ec285dc199864726bf6bb9d3597d93d62022-12-22T02:07:52ZengFrontiers Media S.A.Frontiers in Neuroscience1662-453X2019-01-011210.3389/fnins.2018.01050349454Muscle Synergy Alteration of Human During Walking With Lower Limb ExoskeletonZhan LiHuxian LiuZiguang YinKejia ChenMuscle synergy reflects inherent coordination patterns of muscle groups as the human body finishes required movements. It may be still unknown whether the original muscle synergy of subjects may alter or not when exoskeletons are put on during their normal walking activities. This paper reports experimental results and presents analysis on muscle synergy from 17 able-bodied subjects with and without lower-limb exoskeletons when they performed normal walking tasks. The electromyography (EMG) signals of the tibialis anterior (TA), soleus (SOL), lateral gastrocnemius (GAS), vastus medialis oblique (VMO), vastus lateralis oblique (VLO), biceps femoris (BICE), semitendinosus (SEMI), and rectus femoris (RECT) muscles were extracted to obtain the muscle synergy. The quantitative results show that, when the subjects wore exoskeletons to walk normally, their mean muscle synergy changed from when they walked without exoskeletons. When the subjects walked with and without exoskeletons, statistically significant differences on sub-patterns of the muscles' synergies between the corresponding two groups could be found.https://www.frontiersin.org/article/10.3389/fnins.2018.01050/fullmusclesynergywalkingexoskeletonhuman
spellingShingle Zhan Li
Huxian Liu
Ziguang Yin
Kejia Chen
Muscle Synergy Alteration of Human During Walking With Lower Limb Exoskeleton
Frontiers in Neuroscience
muscle
synergy
walking
exoskeleton
human
title Muscle Synergy Alteration of Human During Walking With Lower Limb Exoskeleton
title_full Muscle Synergy Alteration of Human During Walking With Lower Limb Exoskeleton
title_fullStr Muscle Synergy Alteration of Human During Walking With Lower Limb Exoskeleton
title_full_unstemmed Muscle Synergy Alteration of Human During Walking With Lower Limb Exoskeleton
title_short Muscle Synergy Alteration of Human During Walking With Lower Limb Exoskeleton
title_sort muscle synergy alteration of human during walking with lower limb exoskeleton
topic muscle
synergy
walking
exoskeleton
human
url https://www.frontiersin.org/article/10.3389/fnins.2018.01050/full
work_keys_str_mv AT zhanli musclesynergyalterationofhumanduringwalkingwithlowerlimbexoskeleton
AT huxianliu musclesynergyalterationofhumanduringwalkingwithlowerlimbexoskeleton
AT ziguangyin musclesynergyalterationofhumanduringwalkingwithlowerlimbexoskeleton
AT kejiachen musclesynergyalterationofhumanduringwalkingwithlowerlimbexoskeleton