muscle-bound

The bodybuilder was so muscle-bound that he found it difficult to scratch his own back.

(Chinese) 那名健美运动员肌肉过于发达且僵硬，以至于他发现很难抓到自己的后背。

He worried that lifting too many weights would make him muscle-bound and slow on the tennis court.

(Chinese) 他担心举重过多会让他肌肉僵硬，导致他在网球场上动作迟缓。