The lumbar rotatory manipulation was decomposed by principium of manipulation. The parameters of mechanics were analyzed by the finite element system.
根据手法原理，将坐位腰椎旋转手法进行分解，把各项力学参数代入三维有限元模型进行计算分析。
Objective: To study the traits of intra-stress distribution of lumbar during rotatory manipulation.
目的：研究坐位旋转手法时对腰椎内在应力分布的特点。
Objective to study the trait of intra-stress distribution of lumbar unit during the hang upside down and rotatory manipulation.
目的了解进行倒悬旋转手法时腰椎各结构的应力分布和变化的特点。
Objective: to provide experimental data for clinical applying of the traction-rotatory manipulation of lumbar spine.
目的：为腰椎牵扳手法的临床应用提供实验学依据。
Lumbar Erected and Rotatory manipulation The stress, displacement of lumbar disc were increasing continuously during manipulation.
直腰旋转手法：椎间盘的应力及位移都不断增加。
The manipulation was safe and effective for facet joints, but the rotatory levels of lumbar should not be too much during manipulation.
该手法对小关节是安全、有效的，但旋转角度不宜过大。
The manipulation was safe and effective for facet joints, but the rotatory levels of lumbar should not be too much during manipulation.
该手法对小关节是安全、有效的，但旋转角度不宜过大。
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