musculus scalenus

例句：

1. 1. The doctor examined the patient's musculus scalenus and found no signs of injury.
   医生检查了患者的肌肉束，没有发现任何受伤的迹象。
2. 2. During the race, the athlete's musculus scalenus was stretched to its limit.
   在比赛中，运动员的肌肉束被拉伸到了极限。
3. 3. The scientist studied the structure of the musculus scalenus and discovered new insights into muscle function.
   科学家研究了肌肉束的结构，并发现了关于肌肉功能的新见解。