游泳运动员经常需要加强肩部旋转肌群的锻炼。

Swimmers often need to strengthen their ___rotator-cuff muscles.

举重运动员因为长期过度使用肩膀导致了他的肩袖撕裂。

The weightlifter developed a ___rotator-cuff tear from years of overusing his shoulders.

医生建议他做肩袖修复手术来治疗肌腱撕裂。

The doctor recommended ___rotator-cuff surgery to treat his torn tendon.