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安卓肥胖可能与在站立滑动后的膝关节肥胖症相比较高的跌倒风险有关:基于模拟的生物机械分析
Jiyun Ahn1, Rebecca Ban1, Caroline Simpkins1
1Department of Kinesiology and Health, Georgia State University, Atlanta, GA 30303, USA.
Journal of biomechanics
|February 2, 2024
概括
肥胖增加了跌倒的风险,但脂肪的分布很重要. 这项研究发现,在模拟肥胖中,腹部 (android) 脂肪增加了不稳定性和跌倒风险,比大腿 (gynoid) 脂肪更多.
科学领域:
- 生物力学 生物力学
- 老年学是一门学科.
- 肥胖问题研究研究
背景情况:
- 总体而言,肥胖是已知的跌倒风险因素之一.
- 脂肪组织分布 (android与gynoid) 对跌倒风险的具体影响尚不清楚.
研究的目的:
- 调查脂肪沉积区域是否会影响跌倒风险.
- 为了比较动态步行稳定性和复原反应在模拟的安卓与在滑动扰动期间的骨脂肪.
主要方法:
- 健康的年轻人被分配到模拟Android (腹部) 或gynoid (大腿) 脂肪的小组,使用外部重量来实现BMI为32kg/m2.
- 参与者在安全带下在跑步机上进行了标准化的站立滑动扰动.
- 测量了关键的步行稳定性和恢复参数,并在模拟脂肪群组之间进行了比较.
主要成果:
- 机器人组表现出更大的不稳定性,其特点是更长的滑动距离和后滑动后较慢的车屈曲速度.
- 在Android组中,恢复步骤的启动延迟了,但步骤的执行速度更快.
- 安卓脂肪组织分布与生理机械上较高的跌倒风险相关,而不是状组织分布.
结论:
- 脂肪分布,特别是腹部 (android) 与大腿 (gynoid) 的分布,显著影响动态稳定性和跌倒风险.
- 调查结果表明,脂肪组织区域应被视为跌倒风险评估的额外因素,特别是在肥胖的老年人中.
- 这项试点研究提供了初步证据,支持将脂肪分布纳入识别有高跌倒风险的人群.
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