tendinous sheaths of toes

例句：

1. 1.The doctor advised him to rest his injured leg for a few days.
   医生建议他休息受伤的腿几天。
2. 2.Tendinous sheaths protect the tendons inside the joints from injury.
   筋膜囊保护关节内的肌腱免受伤害。
3. 3. During exercise, the tendons and tendinous sheaths are stretched and strengthened.
   锻炼时，肌腱和筋膜囊被拉伸并加强。