由于肩部拉伤，他被迫退出了锦标赛。

He was forced to withdraw from the tournament due to a ___strain in his shoulder.

不正确地提起那些重箱很容易导致肌肉拉伤。

Lifting those heavy boxes incorrectly can easily cause a muscle ___strain.

理疗师建议对韧带拉伤进行休息和温和的拉伸。

The physiotherapist recommended rest and gentle stretching for the ligament ___strain.