Postural control and trunk muscle activation in transtibial amputees: A pilot electromyographic study

Hüseyin Çelik, Mustafa Cem Türkmen, Ali İmran Yalçın and Semra Topuz

PLOS ONE, 2025, vol. 20, issue 9, 1-17

Abstract: Transtibial amputation affects postural stability, requiring trunk muscle analysis to support balance and rehabilitation. This pilot study aimed to compare trunk muscle activations during postural sway and limits of stability in unilateral transtibial amputees with healthy controls and investigate the relationship between postural control and trunk muscle activations in transtibial amputees. Accordingly, it was hypothesised that transtibial amputees would exhibit altered postural control and trunk muscle activation, both compared to controls and between limbs. This preliminary observational cross-sectional study included a transtibial amputee group (n = 10) and a healthy control group (n = 10). Static and dynamic balance were assessed using a Bertec force platform. Trunk muscle activation was measured bilaterally using the Delsys wireless surface electromyography system while balance was assessed. Subsequently, group differences in postural control and trunk muscle activation were analyzed. Transtibial amputee group showed significantly greater limits of stability distance on the amputated side compared to controls’ non-dominant side (p

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0333213

DOI: 10.1371/journal.pone.0333213

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