腿筋灵活性和干部曲姿势对粘弹性腰部组织的爬行变形的影响:一项探索性研究
1Human Performance Institute, Department of Industrial and Entrepreneurial Engineering and Engineering Management, Western Michigan University, Kalamazoo, MI, USA.
Journal of biomechanics
|August 9, 2025
概括
腿筋灵活性降低显著增加脊柱组织的爬行,特别是在最大的干部曲. 这凸显了灵活性的重要性,以防止在长时间的姿势中造成腰椎张.
科学领域:
- 生物医学工程 生物医学工程
- 肌肉骨生物力学 肌肉骨生物力学
- 脊柱生理学 脊柱生理学
背景情况:
- 粘弹性腰部组织在持续负荷下容易发生爬行变形.
- 腿筋的灵活性是脊柱负荷和组织反应的潜在调节器.
- 了解腰部爬行机制对于预防与工作相关的肌肉骨疾病至关重要.
研究的目的:
- 为了研究腿筋灵活性对腰椎脊柱爬行的影响.
- 为了检查腿筋灵活性,干屈曲角度和腰部爬行中的暴露恢复时间表之间的相互作用.
- 为了确定下降的腿筋灵活性是否会加剧在持续的骨干曲过程中被动组织负荷.
主要方法:
- 16名参与者被分为低灵活性和高灵活性腿筋组.
- 四个为期30分钟的方案涉及交替的干部曲 (暴露) 和直立 (恢复),使用不同的姿势和时间表.
- 腰椎脊柱爬行通过测量EMG-off腰椎曲角度的变化来量化,在协议之前和之后.
主要成果:
- 没有发现个人腿筋柔对腰部爬行有显著的主要影响.
- 观察到腿筋灵活性和干部曲姿势之间存在显著的相互作用.
- 低灵活性组在最大姿势的EMG-off腰部曲角度比亚最大姿势增加得更大.
结论:
- 腿筋灵活性降低可以显著影响脊柱组织的爬行,特别是在最大的干部曲姿势.
- 受腿筋灵活性影响的腰骨动力学变化可能会增加被动组织负荷.
- 这些发现表明,腿筋的灵活性是管理腰椎负荷和预防与爬行相关的伤害的关键因素.
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