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Tensiomyography를 이용한 남녀 하지 근육의 특성 분석
김보경 ( Bo-kyeong Kim ),채정훈 ( Jung-hun Chai ),김찬 ( Chan Kim ),김철현 ( Chul-hyun Kim ),배상원 ( Sang-won Bae ) 대한스포츠의학회 2017 대한스포츠의학회지 Vol.35 No.3
Tensiomyography (TMG) is used to evaluate the contraction characteristics of the thigh muscles according to gender. Our hypothesis is that male’s maximal displacement (Dm) will be lower than the control because the Dm increases when the muscle becomes stiff or hypertrophied. TMG evaluated 15 males and 12 females. The biceps femoris, semitendinosus, vastus lateralis, vastus medialis, and rectus femoris were evaluated. The TMG parameters obtained for each muscle were Dm and contraction time (Tc). And we calculated contraction velocity (Vc) as the rate of the radial displacement occurring during the time period of Tc with respect to Tc. Dm and Vc values of biceps femoris muscles were significantly lower in males than in controls, whereas Dm and Vc values of vastus medialis muscles were significantly lower in females than males. The Tc values of males were significantly higher in right and bilateral sum than females. This is the first report on TMG assessment by gender. We found that it is the most effective in finding muscle contraction characteristics according to gender and can induce the difference between the Dm and Vc of each muscle.
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