tendinous arch of levator muscle of anus

例句：

1. 1. The tendinous arch of the levator muscle of the anus is responsible for lifting the perineum during defecation.
   肛门括约肌的腱状突起在排便时负责提起会阴。
2. 2.The doctor examined the patient's tendinous arch and found no signs of injury.
   医生检查了患者的腱状突起，没有发现任何受伤的迹象。
3. 3.The patient was advised to avoid strenuous exercise, as it could strain the tendinous arch.
   患者被建议避免剧烈运动，因为它可能会拉伤腱状突起。