medial head of biceps brachii muscle

例句：

1. 1.The medial head of the biceps brachii muscle is responsible for stabilizing the elbow joint.
   肱骨内侧头的肌肉负责稳定肘关节。
2. 2.During exercise, the medial head of the biceps brachii muscle is activated to help with arm movement.
   运动时，肱骨内侧头的肌肉被激活以帮助手臂运动。
3. 3. In some cases, a torn medial head of the biceps brachii muscle can cause significant pain and functional impairment.
   在某些情况下，肱骨内侧头的肌肉撕裂会导致严重的疼痛和功能受损。