腿後腱
腿後腱由三種肌肉組成,分別為股二頭肌、半膜肌和半腱肌,半腱肌及半膜肌位於大腿後方內側,而股二頭肌位於大腿後方外側。此三者可使膝彎曲或屈曲,並輔助使腿伸直。坐在椅子上並伸直雙腿,就可感受到這個強而有力的腱。腿後腱屬於曲膝的一組肌肉。
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