在老年人中,每日步骤体积和强度与心脏代谢风险的关联
Ludmila L P Cabral1, Rodrigo A V Browne1, Yuri A Freire1
1ExCE Research Group, Department of Physical Education, Federal University of Rio Grande do Norte, Natal, Brazil.
Experimental gerontology
|June 25, 2023
概括
在老年人中,增加每天的步伐和强度显著降低了心脏代谢风险. 更高的步骤体积和节奏显示了剂量-反应关系与降低的代谢综合征得分.
科学领域:
- 老年学是一门学科.
- 心脏病学 心脏病学
- 代谢健康 代谢健康
背景情况:
- 对老年人来说,心脏代谢风险是一个重大问题,它会影响他们的整体健康和寿命.
- 了解体育活动的作用,特别是每天的步骤数量和强度,对于开发有效的干预措施至关重要.
研究的目的:
- 检查日常步行量和强度与社区老年人的心脏代谢风险之间的关联.
- 为了确定更高的体力活动水平是否与该人群中较低的心脏代谢风险得分相关.
主要方法:
- 一项涉及248名老年人 (平均年龄66岁,78%为女性) 的横截面研究.
- 每天的步量和强度用加速度计测量.
- 用连续代谢综合征评分 (cMetS) 评估心脏代谢风险;参与者按步骤体积和强度进行分类.
主要成果:
- 活跃 (7500-9999步/天) 和高度活跃 (10,000+步/天) 组与不活跃的个人 (<5000步/天) 相比,表现出较低的cMetS.
- 每增加1000步/天都与cMetS下降0.06有关 (p < 0.001).
- 高峰30分钟节奏 (平均,高,最高强度) 与明显较低的cMetS有关,每10步/分钟的增量将cMetS减少0.07 (p = 0.003).
结论:
- 每日步骤量和强度都与老年人的心脏代谢风险相反相关.
- 有一个明确的剂量反应关系,表明更大的身体活动会导致更好的代谢健康结果.
- 这些发现支持促进更高的步数和活动强度,以管理老年人心脏代谢风险.
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