Musculus extensor digitorum longus

例句：

1. 1.The patient's extensor digitorum longus was severely injured during the accident.
   患者在事故中伸指长肌严重受伤。
2. 2.The doctor performed surgery on the patient's extensor digitorum longus to repair the injury.
   医生对患者的伸指长肌进行了手术以修复伤情。
3. 3. The patient's extensor digitorum longus had to be removed due to infection.
   由于感染，患者必须切除伸指长肌。