正常生理状态下斜扳，后伸位应力大于前屈位而小于自然中立位。
Under normal physiologic condition, the stress in posterior extension is greater than that in anterior flexion, but less than in neutral position.
本研究将仰卧位颈椎前屈位拔伸牵引同床边牵引结合起来，更好地帮患者解决问题。
This study will be supine cervical flexion of the Stubbs extended traction with traction with bedside, to help patients better solve the problem.
方法采用脊柱活动节段的三维有限元模型分析了脊柱在直立位、前屈位和后伸位的应力分布情况。
Methods Stress distribution of the spine in the upright, flexion and extension positions was analyzed using a three-dimensional finite element model of the spinal motion segment.
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