结论：腰椎椎弓峡部断裂发病率与训练强度有关。
CONCLUSION: the incidence rate of spondylolysis of vertebral arch is associated with the training intensity.
椎弓根和椎弓峡部在压力和后伸负荷下等效应力较高。
Higher equivalent stress was found when compression and extension loadings were applied to the pedicle of vertebral arch and interarticularis.
目的探讨镍钛记忆卡钩治疗腰椎弓峡部裂及手术方法。
Objective To discuss the clinical effect of shape memory hook and bone grafting in the management of spondylolysis.
椎弓峡部裂性和退变性腰椎滑脱的方向和程度存在差异。
The directions and degrees of the lumbar isthmic and degenerative spondylolisthesis had statistically evident difference.
目的研究64层CT不同角度MPR图像诊断腰椎弓峡部裂的价值。
Objective To study the value of different angle MPR using 64-slice CT in diagnosing spondylolysis.
峡部或称椎弓峡部，是脊柱背侧连接上下关节突之间的一段小而细的骨段。
The isthmus, or pars interarticularis, is a small, thin segment of bone that connects the facet joints at the back of the spine.
前言： 目的：探讨腰椎椎弓峡部裂与椎间小关节在横断图像上的影像学特征。
Objective:To discuss the axial image characters of spondyloschisis from vertebral articulations is the purpose of this article.
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。
BACKGROUND: the incidence rate of spondylolysis of lumbar vertebral arch in recruits is higher during the training, and it affects the normal training.
目的：测量颈、胸、腰、骶椎椎弓峡部厚度，为运动医学及临床应用提供解剖学依据。
Objective To measure the thickness of cervical, thoracic, and lumbosacral vertebral interarticularis in order to provide anatomic base for sports medicine and clinical application.
目的：探讨椎弓峡部裂性和退变性腰椎滑脱多层螺旋ct特点及多平面重组技术的诊断价值。
Objective: To evaluate the value and appearances of multiplanar reformation (MPR) with multi-slices spiral ct in the diagnosis of the lumbar isthmic and degenerative spondylolisthesis.
作者认为，椎弓峡部裂实质上主要是由局部应力增高而引起的疲劳骨折，而腰椎后伸与其关系最为密切。
The authors conclude that spondylolysis is mainly the fatigue fracture due to locally increased stress and is contributing most by backward extension of lumbar spine.
结论：本文就一例少见的复发性多处腰椎椎弓根骨折伴椎弓峡部骨折的石骨症病例的相关问题进行了讨论。
Conclusion. This case report discusses the rare occurrence of multiple lumbar pedicle fractures and pars interarticularis (spondylolysis) fractures in a patient with osteopetrosis.
结论64层CT后处理图像的多平面重组(mpr)可以从不同角度、不同平面分析椎弓峡部裂的各种征象。
Conclusion MPR images of 64-slice CT can show the features of spondylolysis at different angles and planes.
背景资料分析：对于经椎弓根操作，精确测量椎弓根峡部形态学参数很重要。
Summary of Background Data. Accurate measurement of morphometric parameters of pedicle isthmus is important for transpedicular procedures.
探讨椎弓根螺钉系统联合椎间植骨融合器治疗峡部不连性腰椎滑脱症的远期疗效。
To investigate the late results of pedicle screw system and cage fixation for lumbar broken isthmus spondylolisthesis.
目的：探讨平行于椎弓ct扫描对腰椎峡部裂的诊断价值及临床应用。
Objective: to study the ct diagnostic value and clinical applications of ct scans parallel to isthmic in isthmic defect of lumbar spine.
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。
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.
方法：使用定制的软件测量89例经由CT资料制作的活体腰椎弓根峡部三维模型。
Methods. In vivo measurements of the lumbar pedicle isthmus were performed on the 3-dimensional subject-based ct models, using custom-developed software in 89 volunteers.
目的研究腰椎椎弓 峡 部不连下腰痛峡 部植骨固定的手术方法及应用价值。
Methods Twenty-four lumbar spondylolysis patients with no vertebral surge were treated with single vertebra reduction fixation and isthmic debridement and bone grafting.
目的研究腰椎椎弓 峡 部不连下腰痛峡 部植骨固定的手术方法及应用价值。
Methods Twenty-four lumbar spondylolysis patients with no vertebral surge were treated with single vertebra reduction fixation and isthmic debridement and bone grafting.
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