inferior ramus of ischium

例句：

1. 1. The patient's lower back pain was due to an injury to the inferior ramus of the ischium.
   患者的下背部疼痛是由于髂骨下支受伤引起的。
2. 2. During the surgery, the surgeon had to reattach the inferior ramus of the ischium to the femur.
   手术期间，外科医生不得不将髂骨下支重新连接到股骨上。
3. 3. After the operation, the patient was advised to avoid heavy lifting and exercise to prevent further damage to the inferior ramus of the ischium.
   手术后，患者被建议避免重举和锻炼，以防止进一步损伤髂骨下支。