Objective To observe the projection of pedicle of lumbar vertebral arch on the vertebral body and research the regular pattern of its central point.

目的观测腰椎椎弓根在椎体上的投影，探寻其中心位位置的规律。

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BACKGROUND: the incidence rate of spondylolysis of lumbar vertebral arch in recruits is higher during the training, and it affects the normal training.

背景：新战士在新兵训练期间出现腰椎椎弓峡部断裂发病率较高并影响了正常训练。

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Conclusion The application of SOCON nail and hook system for pedicle of vertebral arch in the treatment of teenagers lumbar vertebrae isthmus spondyloschisis is a good meth od.

结论SOCON椎弓根钉钩系统是治疗青少年椎弓根峡部裂是一种比较理想的方法。

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