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1·CONCLUSION: the incidence rate of spondylolysis of vertebral arch is associated with the training intensity.

结论：腰椎椎弓峡部断裂发病率与训练强度有关。

2·Result Obtaining the data of the radius of arterial groove vertebral arch, the tuberculum posterius and anterior altantis .

结果得出了椎动脉沟半距、椎弓、寰椎前后结节等结构的测量数据。

3·Periodical bending resistance test in screws with hollow lateral holes in pedicle of vertebral arch was made on the rest 12 vertebrae.

另外12个椎体做空心侧孔椎弓根螺钉的周期抗屈试验。

4·Higher equivalent stress was found when compression and extension loadings were applied to the pedicle of vertebral arch and interarticularis.

椎弓根和椎弓峡部在压力和后伸负荷下等效应力较高。

5·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。

6·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。

7·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。

8·On the basis of imaging characteristics the fracture of lamina of vertebral arch was divided into 5 types: vertical, transversal, 7 -graphemic or reverse 7 -graphemic, s and displaced.

根据影像特点将椎板断裂形态分为纵向型、横向型、“S”型、“7”字型与反“7”字型及断裂移位型5型。

9·The therapeutic effect of nerve decompression and vertebral canal plasty combined with the screw-rod system fixation of posterior pedicle of vertebral arch and the fusion of bone graft is fine.

神经减压和椎管成型辅以后路椎弓根钉捧系统同定及植骨融合术治疗退行性下腰椎不稳疗效优良。

10·Posterior margin of lumbar vertebral posterior regional node appeared as arch protruding into spine canal, resulting in stenosis of spine canal and intervertebral foramen.

位于椎体后缘者可导致椎管狭窄，如其后缘断裂则可能合并椎间盘突出。