使用有限元分析对单边/双边腰椎脊椎解剖的生物力学评估,有或没有肌肉衰弱,使用有限元分析
Baiyang Ding1, Kazuhiro Imai1, Zhuo Chen1
1Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, Meguro-ku, Tokyo, Japan, 3-8-1, Komaba, Meguro-ku, Tokyo, 153-8902, Japan.
Heliyon
|March 11, 2025
概括
运动员肌肉衰弱可能会加剧脊髓解剖,可能导致脊髓扩散到相邻的脊柱段. 减少肌肉力量会减少缺陷的运动,但会增加附近的运动.
科学领域:
- 生物力学 生物力学
- 脊柱研究 脊柱研究
- 运动医学 运动医学
背景情况:
- 脊髓溶解是运动员腰部疼痛的常见原因.
- 肌肉衰弱和脊髓解剖进展之间的关系尚未得到充分理解.
研究的目的:
- 为了研究脊椎解剖的生物力学.
- 通过有限元分析分析肌肉衰弱对脊髓溶解的影响.
主要方法:
- 从CT扫描中创建了L1-S1脊柱单元的3D有限元模型.
- 开发了模拟单边不完整,单边和双边L5地峡缺陷的模型.
- 模拟负荷包括曲,延伸,曲,扭曲,体重,以及减少肌肉力量 (50%的整体背部肌肉力量).
主要成果:
- 单边不完整的脊椎解剖显示,曲过程中L5运动最大.
- 单边脊椎解剖显示,在曲和扭曲过程中,L5的运动性增加.
- 减少肌肉力量减少了L5运动范围,但增加了L4运动范围和压力,特别是在双边缺陷中.
结论:
- 脊椎解剖可能根据缺陷类型和运动而有不同的进展.
- 肌肉衰弱可能导致脊髓解剖,扩散到相邻的脊柱段.
- 肌肉力量的减少减少了缺陷部位的运动,但在相邻的部分增加了运动,可能会加剧病情.
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