目的：探讨外侧张力带钢丝内固定治疗儿童肱骨髁上骨折的临床疗效。
Objective: To analyze curative effect of kids supracondylar fracture of the humerus with lateral tension band with internal steel wire fixation.
髌外侧支持带深层包括横韧带、外侧髌胫韧带和上髁髌韧带。
The deep layer of the lateral patellar retinaculum included the transverse ligament, the lateral patellotibial ligament and the epicondylopatellar ligament.
中立位和旋前位使髁上内侧产生拉应力，髁上外侧产生压应力。
While in neutral and pronator position, the pulling stress is in medial part and the pressing stress is in lateral part.
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