我拉伤了腿部的肌肉。

I've ___pulled ___a ___muscle in my leg.

他在踢足球时拉伤了肌肉。

He ___pulled ___a ___muscle while playing football.

你应该热身以避免拉伤肌肉。

You should warm up to avoid ___pulling ___a ___muscle.