英语语法分析

The X-ray films showed good healing between the transplanted metatarsophalangeal joint and metacarpals and phalanges at 9-14 weeks postoperatively.

X 线片示术后9～14周骨组织临床愈合良好，移植的跖趾关节与掌、指骨完全愈合。

The treatment of pressure metatarsalgia must aim for it's pathomechanic cause, that is, huyper-extension of metatarsophalangeal joint.

所以，治疗这种压迫性的疼痛，必须针对其病态结构的原因，那就是跖趾关节的过度背屈变形。