该方法成功地用于人体腰椎活动节段的三维运动研究。
The approach was successfully used in the studies of kinematics of the human lumbar motion segments.
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。
Degenerative spondylolisthesis is the result of longstanding intersegmental instability at the lumbar motion segment.
背景知识概要：腰椎活动节段的旋转可以用动态ct来测量。
Summary of Background Data. Rotations of lumbar spinal motion segments can be measured with dynamic CT imaging.
目的：应用三维有限元法建立L3~5腰椎活动节段力学模型。
OBJECTIVE: To construct a lumber spine (L3-5) biomechanical model using three-dimensional finite element method.
例如，许多腰椎融合病人会出现骶髂关节疼痛，因为腰椎节段的活动减少。
For example, many lumbar spinal fusion patients have sacroiliac joint pain due to reduced motion in lumbar spine segments.
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。
An anterior lumbar interbody fusion, called a ALIF, is designed to stop the motion at the symptomatic segment of the spine.
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