膝关节活动范围的改善越明显，其功能恢复越好；
The more obviously the movable degree of knee improves , the more satisfactory the function recovers .
拆除髓内针后，所有患儿髋膝关节活动范围均达到正常。
After nail removal, all children had full range of hip and knee motion.
结论：术前关节疼痛、膝关节功能、膝关节活动和术前屈膝畸形与术后膝关节活动范围相关。
Conclusion: knee pain, knee function, knee flexion deformity have a positive correlation with knee motion after surgery.
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