iliocostal muscle

例句：

1. 1. The runner's strenuous exercise has strengthened his iliocostal muscle.
   这位跑者的艰苦训练已经增强了他的腰肌。
2. 2.During the surgery, the surgeon had to cut through the iliocostal muscle to access the patient's abdomen.
   在手术过程中，外科医生不得不切断腰肌以进入患者的腹部。
3. 3.The patient was advised to avoid heavy lifting and to strengthen his iliocostal muscle for better recovery.
   患者被建议避免重举和加强腰肌，以便更好地恢复。