long flexor muscle of thumb

例句：

1. 1. The doctor examined the patient's long flexor muscle of thumb and found it was injured.
   医生检查了病人的拇指长伸肌，发现它受伤了。
2. 2. After the surgery, the patient had to exercise his long flexor muscle of thumb for several weeks.
   手术后，病人需要锻炼他的拇指长伸肌几周。
3. 3. The long flexor muscle of thumb is an important part of the hand that helps us grip objects.
   拇指长伸肌是手的一个重要部分，它帮助我们握紧物体。