knee extensor lift

例句：

1. 1. The doctor performed a knee extensor lift to help the patient recover from an injury.
   医生进行了一个膝盖伸肌提升手术，帮助患者从伤病中恢复。
2. 2. During the surgery, the surgeon used a knee extensor lift to improve the range of motion in the patient'sknee.
   在手术过程中，外科医生使用了膝盖伸肌提升来改善患者膝盖的活动范围。
3. 3. After the operation, the patient was able to walk with a knee extensor lift, which helped to reduce pain andswelling.
   手术后，患者能够用膝盖伸肌提升行走，这有助于减轻疼痛和肿胀。