shaft of metatarsal bone

例句：

1. 1. The patient's foot was injured during the fall, and the doctor performed surgery to repair the fractured metatarsal bone.
   病人在跌倒时伤了脚，医生进行了手术来修复骨折的跖骨。
2. 2. The surgeon removed the metatarsal bone fragments and replaced them with a titanium implant.
   外科医生移除了跖骨碎片并用钛植入物替换它们。
3. 3. The patient underwent rehabilitation therapy after the surgery, focusing on strengthening themuscles around the metatarsal bone.
   患者在手术后接受了康复治疗，重点是加强周围跖骨肌肉的力量。