Degenerative spondylolisthesis is the result of longstanding intersegmental instability at the lumbar motion segment.
退行性椎体滑移是腰椎活动节段长时间节段间不稳定的结果。
Objective: To investigate the effects of variations in vertebral endplate concavity on the mechanical behaviors of the lumbar motion segment.
目的：研究终板凹陷程度变化对腰椎运动节段生物力学影响。
Conclusion the disc degeneration and facet joint osteoarthritis are the main factors affecting on the stability of the kinematics of lumbar motion segment.
结论腰椎间盘退变和腰椎关节突关节骨性关节炎可影响腰椎运动节段的稳定性。
OBJECTIVE: Three-dimensional finite element method was used to observe and analysis the stress conduction of artificial lumbar intervertebral disc in lumbar motion segment.
目的：通过三维有限元的方法观察分析人工腰椎间盘在腰椎运动节段中的应力传导作用。
Objective To investigate the role of artificial disc replacement (ADR) in restoring lumbar segment motion and intervertebral height (IH).
目的观察人工腰椎间盘置换对维持腰椎活动度和手术间隙高度的作用。
An anterior lumbar interbody fusion, called a ALIF, is designed to stop the motion at the symptomatic segment of the spine.
前路腰椎椎体间融合术，简称ALIF，被设计用于阻止引起症状的脊柱节段的活动。
An anterior lumbar interbody fusion, called a ALIF, is designed to stop the motion at the symptomatic segment of the spine.
前路腰椎椎体间融合术，简称ALIF，被设计用于阻止引起症状的脊柱节段的活动。
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