一个计算研究前进的头部姿势生物力学
Katterine N Rios-Peralta1, Afonso J C Silva2, Ricardo J Alves-de-Sousa2
1School of Medicine, University College Dublin, Dublin, Ireland.
Journal of the mechanical behavior of biomedical materials
|December 5, 2025
概括
前进的头部姿势 (FHP) 改变了椎脊柱的生物力学,增加了上脊柱的曲率,并缩小了神经空间. 这些变化可能导致疼痛和退行,突出显示了早期干预的必要性.
科学领域:
- 生物力学 生物力学
- 脊柱健康 脊柱健康
- 肌肉骨系统疾病 肌肉骨系统疾病
背景情况:
- 前向头部姿势 (FHP) 是一种普遍的姿势偏差.
- 它与椎脊柱生物力学和肌肉骨疾病的改变有关.
研究的目的:
- 使用经过验证的有限元模型量化FHP的生物力学影响.
- 为了评估由于FHP而导致的松平衡,神经前空间和皮层骨压力的变化.
主要方法:
- 使用了经过验证的C0-T1有限元素模型 (THUMS v4.2).
- 经验证的模型与尸体数据对腰平衡和运动范围进行了验证.
- 在2.5厘米前部头部位移之前和之后,测量了脊角 (CVA),OP-C2,宫主症和神经结构 (GON,C2-NR).
主要成果:
- FHP诱导了上宫主症的增加和下宫曲率的减少.
- 观察到神经前空间 (GON,C2-NR) 的可测量的缩小.
- 观察到皮层骨压力增加,特别是在C2-C3.3之间.
结论:
- FHP导致宫脊椎的补偿性适应.
- 这些适应可能会使个体倾向于疼痛和退行性变化.
- 早期干预策略对于减轻长期脊柱健康影响至关重要.
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