六周耐力训练对老年人骨保存的影响:随机对照试验
Ashley A Herda1, Omid Nabavizadeh2
1Department of Health, Sport, and Exercise Sciences, University of Kansas Edwards Campus, 12604 Quivira Road, BEST 350X, Overland Park, KS, 66213, USA. a.herda@ku.edu.
Aging clinical and experimental research
|October 14, 2023
概括
阻力炼可以帮助老年人保持骨健康超过六周,不像弹性带. 这表明加权负载对骨指标有益.
科学领域:
- 老年学是一门学科.
- 运动生理学 运动生理学
- 骨健康 骨健康 骨健康
背景情况:
- 众所周知,慢性阻力运动对老年人骨健康有益.
- 了解不同炼方式的具体影响对于有针对性的干预至关重要.
研究的目的:
- 为了评估使用弹性带或的6周阻力运动对老年人骨形态的影响.
- 为了比较弹性带和子对老年人的骨矿物质含量 (BMC) 和骨矿物质密度 (BMD) 的影响.
主要方法:
- 57名老年人 (平均年龄66.5岁) 被随机分配到子,弹性带或对照组.
- 双能X射线吸收仪 (DXA) 扫描测量了6周干预前后的全身和细分BMC和BMD.
- 用双向重复测量ANOVAs分析了BMD和BMC的年龄匹配Z-scores.
主要成果:
- 手臂骨矿物质含量 (BMC) 在子组有所改善 (p=0.016),但在任何组中都没有观察到骨矿物质密度 (BMD) 的显著变化.
- 在年龄相匹配的Z-分数上显著的相互作用效应 (p=0.024) 仅在6周后 (p=0.015) 显示子组的改善.
- 弹性带组没有显著变化,尽管他们的Z分数高于对照组.
结论:
- 基于子的程序可以支持在6周的时间内在老年人中维护骨度指标.
- 使用弹性带没有观察到与骨有关的影响,这表明加权负载对骨健康更有益.
- 这些发现表明,用子进行抵抗运动可以导致相对骨质的积极适应,可能有助于通过慢性训练改善骨健康.
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