popliteus

例句：

1. 1. The popliteus muscle is responsible for supporting the knee joint.
   髌骨肌负责支撑膝关节。
2. 2. He was injured during a soccer match and had to have his popliteus tendon repaired.
   他在一场足球比赛中受伤，不得不修复他的髌骨肌。
3. 3. Doctors often recommend exercises to strengthen the popliteus muscle.
   医生经常推荐锻炼来加强髌骨肌。