在不同年龄和性别群体的动态全曲和恢复站立姿势期间脊柱负荷:肌肉骨模型研究研究
Rizwan Arshad1, Kodjo Moglo2, Marwan El-Rich3
1Biomechanics Laboratory, Department of Mechanical and Aerospace Engineering, Royal Military College of Canada, Kingston, Ontario K7K7B4, Canada; Julius Wolff Institute, Berlin Institute of Health at Charité - Universitätsmedizin Berlin, Augustenburger Platz 1 13353, Berlin, Germany.
Journal of biomechanics
|July 10, 2024
概括
脊柱运动和曲期间的腰部负荷与年龄和性别有很大的不同. 了解这些曲范围和腰骨比率的变化对于评估脊柱健康至关重要.
科学领域:
- 生物力学 生物力学
- 人类运动科学科学 人类运动科学
- 脊柱生理学 脊柱生理学
背景情况:
- 脊柱在向前曲时的运动受到年龄和性别的影响.
- 以前的研究表明,腰部/骨盆曲范围 (RoF) 和腰部/骨盆比率 (L/P) 的年龄和性别依赖.
- 这些变化对一般人群的腰部负荷的影响仍未得到充分研究.
研究的目的:
- 为了估计在动态曲-返回周期期间的腰部负荷.
- 根据腰部/骨盆的RoF和L/P的变化量化峰值负荷 (压缩) 和干部倾斜的差异.
主要方法:
- 在三个年龄组 (20-35岁,36-50岁,50岁以上) 进行6秒全曲折回归周期的重建.
- 使用的体内L/P值和定义的腰部 (45-55°) 和部 (60-79°) RoF.
- 使用第50百分位模型进行逆动态分析,以计算峰值负载和干部倾斜.
主要成果:
- 年轻男性的峰值负荷 (L4-L5) 比女性高,而中年和老年男性的峰值负荷较低.
- 在所有年龄组中,女性总是表现出比男性更大的干部倾斜 (6°-20°).
- 峰值负荷和干部倾斜的年龄相关差异显著,男性显示的变化比女性更大.
结论:
- 在动态曲过程中,腰部负荷和相关的干部倾斜程度随年龄和性别而有很大差异.
- 这些发现为区分正常的脊柱生物力学与潜在的病理状况提供了有价值的数据.
- 这项研究强调了在腰椎的生物力学分析中考虑年龄和性别的重要性.
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