Neuromuscular conditions in post-stroke ankle-foot dysfunction reflected by surface electromyography

Autor: Ying Xu, Juan Wang, Shujia Wang, Jinping Li, Ying Hou, Aisong Guo
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Journal of NeuroEngineering and Rehabilitation, Vol 21, Iss 1, Pp 1-9 (2024)
Druh dokumentu: article
ISSN: 1743-0003
DOI: 10.1186/s12984-024-01435-5
Popis: Abstract Background Rating scales and linear indices of surface electromyography (sEMG) cannot quantify all neuromuscular conditions associated with ankle-foot dysfunction in hemiplegic patients. This study aimed to reveal potential neuromuscular conditions of ankle-foot dysfunction in hemiplegic patients by nonlinear network indices of sEMG. Methods Fourteen male patients with hemiplegia and 10 age- and sex-matched healthy male adults were recruited and tested in static standing position. The characteristics of the root mean square (RMS), median frequency (MF), and three nonlinear indices, the clustering coefficient (C), the average shortest path length (L), and the degree centrality (DC), of eight groups of muscles in bilateral calves were observed. Results Compared to those of the control group, the RMS of the medial gastrocnemius (MG), flexor digitorum longus (FDL), and extensor digitorum longus (EDL) on the affected side were significantly lower (P
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