# 如果你沒辦法把腳踝拉到臀部,表示你的股四頭肌群太強壯,你必須鍛鍊腿後肌群來幫你將股四頭肌群伸展到最適長度。首先做股四頭肌伸展、腿後彎舉、髖後伸和直腿硬舉。等到腳跟可以拉到臀部之後,再加上鍛鍊股四頭肌的運動。——《疼痛、復健與肌力訓練全書》
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