pectineal muscle

例句：

1. 1.The pectineal muscle is a type of muscle that helps the body move.
   皮肌腱是一种帮助身体移动的肌肉类型。
2. 2.The pectineal muscle is located in the back of the hand and wrist.
   皮肌腱位于手和手腕的后面。
3. 3.The pectineal muscle is responsible for flexing the fingers and thumbs.
   皮肌腱负责弯曲手指和拇指。