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[在不同的身体位置下,腰椎间盘的三维有限元分析]

Ben-Jing Yin¹, Yu Lu¹, Fu-Tao Ji²

¹Yunnan University of Traditional Chinese Medicine, Kunming 650500, Yunnan, China; The Fourth Department of Orthopaedics, the First Affiliated Hospital of Yunnan University of Traditional Chinese Medicine, Yunnan Provincial Hospital of Traditional Chinese Medicine, Kunming 650100, Yunnan, China.

Zhongguo gu shang = China journal of orthopaedics and traumatology

|June 24, 2024

概括

姿势压缩技术可以减少腰椎间盘 (LDH) 中的神经压缩. 30°向前曲最有效地增加了椎间盘和神经根之间的空间.

科学领域:

生物力学生物力学
脊柱外科手术脊柱外科手术
有限元分析有限元分析

背景情况:

腰椎间盘 (LDH) 是一种常见的疾病,导致神经压缩和疼痛.
了解不同姿势干预措施的生物力学影响对于有效治疗至关重要.

研究的目的:

为了比较各种姿势压缩技术对腰椎间盘的3D有限元模型的生物力学影响.
评估这些技术对椎间盘和神经根的压力,应变和位移的影响.

主要方法:

从患者的腰部CT扫描创建了L4-L5段的3D有限元模型.
对水平,30°向前曲和10°向后延伸位置进行了模拟.
分析了包括压力,应变和位移在内的生物力学参数.

主要成果:

与水平和伸展位置相比,30°向前曲位置显著增加了环状和细胞核脉的应力和应变.
这种位置也导致了椎间盘的最大整体移位,以及盘与神经根之间的相对移位.
在Y轴上的神经根位移在水平位置是最高的,但在曲时相对位移是最大的.

结论:

姿势压缩,特别是30°向前曲,可以诱导椎间盘的收缩.
这种收缩增加了椎间盘和神经根之间的距离,可能缓解神经压缩症状.
有限元分析支持特定姿势操纵在治疗腰椎间盘的有效性.

关键词:

不同的身体姿势.压缩操纵压缩操作腰椎椎间盘的发生三维有限元素的三维有限元素.

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