Methods. A 3-dimensional, nonlinear finite element model of a lumbar spinal segment L4-L5 was used.
方法：我们使用了一个关于L4-L5腰椎的3维非线性有限元素法的模型。
It can alter the biomechanics of weight transfer at the affected spinal segment, accelerate the regression of discs and eventually cause the emergence of LDH.
它能改变下腰椎的生物力学传导，加速腰椎间盘退行性变，最终导致椎间盘突出。
Objective:To construct a normal L3-L5 spinal segment model by using finite element method and investigate the biomechanical characteristics of unilateral pedicle screws fixation.
目的：建立人正常L3~L5节段三维有限元模型，分析腰椎单侧椎弓根螺钉固定融合的生物力学特性。
This article analyzes the basic posture of spinal segment of Shadowboxing performer from the Angle of anatomy, in order to provide some references for Shadowboxing performers and researchers.
本文从形态解剖学的角度对演练者脊柱部分的基本姿势进行了分析，为太极拳练习者和研究人员提供了一些理论借鉴。
Inhale, and start at tail bone and raise on spinal segment at a time until weight is supported on feet and shoulders.
吸气，从骶骨开始逐节抬起脊柱，直到由脚部和肩部支撑所有身体重量。
Inhale, and start at tail bone and raise on spinal segment at a time until weight is supported on feet and shoulders.
吸气，从骶骨开始逐节抬起脊柱，直到由脚部和肩部支撑所有身体重量。
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