sphincter electromyography

例句：

1. 1.The doctor performed a sphincterotomy to remove the blockage in his sphincter.
   医生进行了括约肌切开术，以清除他括约肌中的阻塞。
2. 2. The patient's sphincter was severely damaged during the surgery.
   患者在手术中其括约肌严重受损。
3. 3. The research focused on the relationship between sphincter function and sexual activity.
   该研究关注括约肌功能与性活动之间的关系。