低强度活动休息与交替日间训练相结合,可以减轻久坐行为的心血管影响
Courtney R Chang1, Angelo Sabag2,3, Monique E Francois1
1School of Medical, Indigenous and Health Sciences, Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, New South Wales, Australia.
Journal of applied physiology (Bethesda, Md. : 1985)
|January 31, 2025
概括
将高强度间歇训练 (HIIT) 与中断静坐时间 (ISIT) 结合起来,比单独的ISIT更能改善心血管健康. 像HIIT这样的定期结构化炼对于心血管益处至关重要,超过了简单地减少久坐行为的益处.
科学领域:
- 运动生理学 运动生理学
- 心血管健康 心血管健康
- 代谢健康 代谢健康
背景情况:
- 长时间的久坐行为与不良的心脏代谢健康结果有关.
- 目前仍在研究有效的策略,以减轻久坐不动行为的风险.
- 通过轻度活动和结构化的运动中断坐着是潜在的干预措施.
研究的目的:
- 为了比较中断静坐时间 (ISIT) 与高强度间歇训练 (HIIT) 与两者的组合 (HIIT+ISIT) 的心脏代谢效应.
- 确定组合干预措施是否比单个方法提供更大的心血管益处.
主要方法:
- 17名健康成年人随机顺序完成了三次2周的干预:HIIT,ISIT和HIIT+ISIT.
- 干预措施包括结构化的运动会和每天的光强度活动休息.
- 心肺健康,内皮功能 (流介导扩张),血糖控制和身体成分在干预前和后被评估.
主要成果:
- 与单独的ISIT相比,HIIT+ISIT显著改善了内皮功能.
- 与ISIT相比,HIIT+ISIT显著改善了心脏呼吸能力.
- 在干预措施之间没有观察到葡萄糖控制或身体成分的显著差异.
结论:
- 结合HIIT与ISIT,与单独的ISIT相比,心血管结果得到了更好的改善.
- 结构化炼,如HIIT,提供了可能不能完全通过仅仅减少久坐行为来实现的好处.
- 在久坐不动的人群中,定期炼对心血管健康至关重要.
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