musculus mastoidohumeralis

例句：

1. 1.The muscles in the back are responsible for supporting the spine.
   背部的肌肉负责支撑脊柱。
2. 2.The doctor performed surgery on the patient's shoulder to relieve pain.
   医生为病人的肩膀做了手术以缓解疼痛。
3. 3. The muscles of the arms and legs are essential for movement.
   手臂和腿部的肌肉对于运动至关重要。