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- The vibration exerts a great influence on the facet joint of L4-L5 segment. 振动对L4-L5段小关节的影响比该运动段的其它部位的影响要大得多。
- Purpose: To explore the CT characteristics and clinical significance of lumbar facet joints. 目的:探讨腰椎关节突关节直面小角度的CT特征及其临床意义。
- There was abnormal ossification of the facet joints and the ligaments of the odontoid. 另外,在齿状缘还存在关节面以及韧带的异常骨化。
- The fibrosis tissues in the meniscoid is more abundant in lumbar facet joints than in cervical one. 而在腰椎。所有“半月板样物”均较厚,底部可见大量致密结缔组织,并伴有多少不等的软骨化生和钙盐沉积。
- Furthermore, MRI was concordant only 15.9% of the time in patients with ankylosed facet joints on CT. 此外,患有CT上表现为小关节突关节强硬的病人的MRI一致率仅为15.;9%25。
- Methods The location,degree and angle of inclination of lumbar facet joints were measured in 125 cases with 131 spondylolisthesis. 方法对125例131个滑椎的滑脱部位、程度及滑椎小关节面倾斜角进行测定。
- The denucleation and degeneration of intervertebral discs might increase the facet contact force and it is quite disadvantage to the facet joints under vibration conditions. 椎间盘的去核与退化将使小关节的接触力增加,在振动情况下对小关节非常不利。
- Lin Y.H., Cheng C.K.. The role of ligaments and facet joints in force distribution on lumbosacral joint. the XVIIIth Congress of the ISB, Zurich, Switzerland, 2001. 陈贞吟、林燕慧。脊髓损伤病患其上臂等速肌力与功能程度之关系。第四十三次学术研讨会大会会刊,民国九十年。
- Degenerative spondylolisthesis occurs due to degenerative arthritis of the disc and facet joints, which results in anterior displacement of a vertebra (usually L4 on L5). 退行性脊椎前移的发生是由于椎间盘和小关节发生退行性关节炎,从而导致椎体向前移位(通常是L4在L5上)。
- The head-neck complex was modeled according to human anatomy structure.The model consists of head, vertebras, discs, facet joints, ligaments and muscles. 头颈部有限元模型按人体解剖学结构建立,其中包括头骨、7块椎骨、椎间盘、小关节、韧带、肌肉和软骨。
- Objecties. To define MRI findings at the facet joints that may suggest abnormal sagittal plane translation seen on standing lateral flexion-extension (SLFE) radiographs. 目的:确认MRI上关节囊的改变预示着动力位片上的异常。
- The head and vertebras were defined as high stiffness material, the disks and the muscles as viscous-elastic material, and the ligaments and the facet joints as elastic material. 模型中各组织的材料特性参数由文献研究获得,其中头骨和椎骨定义为刚性材料,椎间盘和肌肉定义为粘弹性材料,韧带、小关节和软骨定义为弹性材料。
- In lumbar spondylosis, facet joint osteophytes may contribute to nere root compression, which may induce radiculopathy. 在腰椎退变患者,突间关节骨赘可能导致神经根压迫,从而诱发神经根病。
- MAIN OUTCOME MEASURES: Lumbar facet joint angle and pathological changes through CR, digital radiophotography and CT. 主要观察指标:两种腰椎滑脱椎小关节面的角度,椎小关节在影像学上的病理改变。
- RESULTS: The lumbar facet joint angle in degenerative spondylolisthesis patients changed greatly in sagittal direction. 结果:假性滑脱腰椎小关节面角呈较明显的矢状方向改变。
- Intraspinal synovial cyst of the lumbar spine is an uncommon degenerative lesion near the facet joint. 腰椎滑液囊肿是一种临近于关节面少见的疾病。
- Disc protrusion occurred more frequently on side of sagittally oriented facet joint than coronal side (P<0.01). 结果(1)下腰椎椎间盘突出与小关节对称性无关;
- Purpose:To research the CT diagnostic signs of facet joint syndrome and its clinical value. 目的:介绍腰椎小关节综合征的CT诊断征象及其临床价值。
- These results support the possibility that facet joint inflammation induces radiculopathy. 本研究结果表明,突间关节炎症诱发神经根病。
- Conclusion: The intra-articular structure may provide the stability of facet joint during flexion and extension. 结论:在颈、腰椎的活动过程中。该关节内结构的存在可维持关节突关节的动态稳定性:“半月板样物”的厚度.软骨化生和钙化等。