坐姿和时间对腰部神经根功能的影响:个案对照研究
Hamad S Al Amer1, Shahul Hameed Pakkir Mohamed1, Sharon L Olson2
1Department of Health Rehabilitation Sciences, Faculty of Applied Medical Sciences, University of Tabuk, Tabuk, Saudi Arabia.
Journal of back and musculoskeletal rehabilitation
|August 26, 2025
概括
不同于立或俯卧的姿势, 低沉的姿势可以减轻脊柱压力和神经根压力. 长时间坐着可能会压缩腰部神经根, 可能导致腰部疼痛.
科学领域:
- 生物医学工程
- 神经科学
- 工程学
背景情况:
- 长时间坐着和不良姿势与腰部疼痛有关.
- 了解对腰部神经根的生物力学影响对于预防至关重要.
研究的目的:
- 研究不同坐姿和长时间坐姿如何影响腰部神经根功能.
- 测量Soleus (SOL) 霍夫曼反射 (H-反射) 幅度作为神经功能的指标.
主要方法:
- 30名健康人被分为长时间坐 (≥6小时/天) 和对照组 (≤4小时/天).
- 在直立,腰,腰和仰卧状态下记录了SOL H-反射幅度和腹肌压力.
- 脊柱负荷通过腹肌压力测量进行评估.
主要成果:
- 低腰座位降低了腹肌压力,增加了H反射幅度,类似于仰卧姿势.
- 立和倒的姿势增加了腹肌压力,并显著降低了H反射幅度.
- 与对照组相比,长时间坐着的组显示出明显较低的SOLH反射幅度.
结论:
- 坐着的姿势和时间对腰椎和神经根有不同的影响.
- 坐着似乎可以减轻脊柱压力和神经根压力.
- 长时间坐着可能会通过腰部神经根压缩导致腰部疼痛.
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