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肥胖是否会影响老年人腹部 flexor 肌肉力量发展的速度?
Hamza Ferhi1, Elmoetez Magtouf1, Ahmed Attia1
1Research Laboratory (LR23JS01) Sport Performance, Health & Society, Higher Institute of Sport and Physical Education of Ksar Saîd, University of La Manouba, Tunis 2010, Tunisia.
Sports (Basel, Switzerland)
|April 26, 2024
概括
肥胖症显著降低了老年人的力量发展速度 (RFD),影响了他们的移动性. 较低的RFD,特别是在50-100ms阶段,是导致该人口步行速度较慢的关键因素.
科学领域:
- 老年学是一门学科.
- 生物力学 生物力学
- 肥胖问题研究研究
背景情况:
- 关于肥胖对老年人力量发育速度 (RFD) 的影响的研究有限.
- 在老年人群中,RFD对于流动性和功能独立性至关重要.
研究的目的:
- 调查肥胖对老年人RFD的影响.
- 在这个人口群体中检查RFD和步行速度之间的关系.
主要方法:
- 42名老年人被分为控制 (BMI <25.13) 和肥胖 (BMI >34.46) 组.
- 使用10米步行测试来评估步行速度.
- 在最大自发收缩过程中,用动力计测量了足部 flexor RFD,以 0-50ms 和 100-200ms 间隔计算 RFD.
主要成果:
- 与对照人群相比,肥胖的老年人表现出明显较低的步行速度 (p < 0.001).
- 肥胖组的RFD (50-100毫秒和100-200毫秒阶段) 在肥胖组明显较低 (p < 0.001).
- 50-100毫秒阶段的RFD是肥胖组步行速度的主要决定因素.
结论:
- 肥胖会对老年人力量发育的速度产生不利影响.
- 减少RFD是一个关键的神经肌肉因素,有助于减轻肥胖老年人的步行速度.
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