光强度体力活动对超重和肥胖年轻人心脏代谢参数的影响:SED-ACT随机对照交叉试验
Sascha W Hoffmann1, Janis Schierbauer2, Paul Zimmermann2
1Division of Theory and Practice of Sports and Fields of Physical Activity, BaySpo-Bayreuth Center of Sport Science, University of Bayreuth, Bayreuth, Germany.
Diabetes, obesity & metabolism
|June 26, 2024
概括
长时间坐着以轻度散步取代,可显著降低血糖,并改善超重和肥胖的年轻成年人的心率变化率 (HRV). 这些体力活动 (PA)
科学领域:
- 代谢健康 代谢健康
- 心血管生理学心血管生理学
- 职业健康 职业健康 职业健康
背景情况:
- 长时间坐着与不良的代谢和心血管结果有关.
- 超重和肥胖的年轻人特别容易受到久坐不动行为的健康风险.
- 轻强度体力活动 (PA) 零食,如交替坐和站或走路,可以减轻这些风险.
研究的目的:
- 为了比较不同体位和光强度的PA零食与不间断的坐着对葡萄糖代谢和心率变化 (HRV) 的影响.
- 评估长时间坐着以间歇性站立,连续站立或光强度行走取代代代谢和心血管标志物的影响.
- 在被诊断为超重和肥胖的年轻成年人队伍中评估这些影响.
主要方法:
- 一个四臂随机对照交叉试验是在8小时的模拟工作日内进行的.
- 干预包括不间断的坐着 (SIT),交替的坐着和站着 (SIT-STAND),持续的站着 (STAND) 和持续的走路 (WALK).
- 测量了平均8小时葡萄糖,2小时食后葡萄糖和24小时心率变化 (HRV) 参数.
主要成果:
- 所有活动条件 (SIT-STAND,STAND,WALK) 的结果是,与不间断坐着 (SIT) 相比,平均8小时的葡萄糖水平较低.
- 与SIT相比,光强度行走 (WALK) 显示了平均8小时葡萄糖的统计学显著降低.
- 与SIT相比,在WALK条件下,两小时后的食用葡萄糖在早餐后显著降低,HRV参数有利于光强度行走.
结论:
- 间歇性的光强度体力活动,特别是步行,有效降低血糖水平.
- 长时间坐着以轻度步行取代,可以改善年轻人的心率变化 (HRV).
- 这些发现支持将体育活动休息融入工作日,以改善风险人群的代谢和心血管健康.
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