![]() Joints are actuated by associated muscle groups which are synergistically manipulated by the neural signals from the central nervous system (CNS). 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.Ĭombinational movements of multiple joints essentially result in human body motion. The quantitative results show that, when the subjects wore exoskeletons to walk normally, their mean muscle synergy changed from when they walked without exoskeletons. 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. 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. ![]() 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. Muscle synergy reflects inherent coordination patterns of muscle groups as the human body finishes required movements. School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu, China. ![]() Zhan Li *, Huxian Liu, Ziguang Yin and Kejia Chen
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