概括
身体活动 (PA) 的变化可以减少老年人的残疾. 修改PA例程可能会改善不活跃个体的身体和认知健康.
科学领域:
- 老年学是一门学科.
- 公共卫生 公共卫生
- 运动科学 运动科学
背景情况:
- 身体活动 (PA) 对健康至关重要,但不活动是一个全球性问题.
- 约束性障碍原则 (CDP) 强调了生物系统中变性的重要性.
- 需要新的策略来最大限度地提高运动的健康益处,特别是对于不活动的人群.
研究的目的:
- 调查身体活动 (PA) 和残疾的个体内变异性之间的关联.
- 探索PA变异对50岁以上非运动员成年人身体限制和认知功能的影响.
- 为了确定PA变化是否提供超出一致活动水平的好处.
主要方法:
- 对50岁以上的非残疾成年人长度SHARE调查数据的回顾性分析.
- 包括14年来至少6次访问的参与者,自我报告的PA频率记录为每两到三年一次.
- 定义的低PA强度 (<每周一次的剧烈活动) 和稳定的PA (不变的强度). 主要结果:身体限制;次要结果:认知功能.
主要成果:
- 在最初高度活跃的人群中,PA变化与增加的身体残疾相关 (23.3%与33.2%对比).
- 相反,在最初低PA组中,可变性与身体残疾减少有关 (45.6%与33.3%相比).
- 在持续低PA的个体中,PA变化与减少身体残疾和改善短期记忆有关.
结论:
- 身体活动的个体内变化可能会在老年人中提供保护性益处,防止残疾.
- 将可变性纳入体力活动方案可以提高不活跃个体的身体和认知健康结果.
- 这些发现表明,对运动的非线性方法可能对公共健康有益.
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