facet joint angle 间小关节角度
Conclusion the variation of the disc height, facet-joint Angle and the lordosis Angle of the intervertebral disc had a manifest influence on the isthmic stress and facet contact force.
结论：椎间盘高度、腰椎小关节角、椎间盘前凸角等形态结构变化对腰椎节段有限元模型的峡部、小关节应力及小关节接触力有明显的影响。
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。
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