站立或非常低强度骑自行车作为久坐休息:身体活动水平是否重要?
Lore Metz1,2, Terry Guirado1,2, Halim Moore1,2
1Laboratory of the Metabolic Adaptations to Exercise under Physiological and Pathological Conditions (AME2P), UE3533, Clermont Auvergne University, Aubiere, France.
Journal of physical activity & health
|January 20, 2025
概括
身体活动水平不会影响站立或轻度骑自行车时的能量消耗或心率变化. 积极的休息有助于抵消久坐不动的行为,无论一个人的整体身体活动如何.
科学领域:
- 运动生理学 运动生理学
- 代谢健康 代谢健康
- 久坐不动行为研究研究
背景情况:
- 长时间的久坐行为会对健康产生负面影响.
- 积极的休息,包括在活跃的办公桌上散步或骑自行车,可以减轻这些影响.
- 了解身体活动水平如何影响对短时间活动的反应至关重要.
研究的目的:
- 研究身体活动水平 (PAL) 对能量消耗 (EE),心率和基质氧化的影响.
- 为了比较从坐到站和轻度骑自行车的过渡期间的生理反应.
- 为了确定单个PAL是否会改变对短,低强度活跃休息的适应.
主要方法:
- 五十名健康的年轻成年人 (男性和女性) 参加了.
- 一个1小时的会议包括交替15分钟的坐着,站着和非常低强度的骑自行车.
- 根据参与者的PAL三位数 (低,中,高) 持续监测和分析能量消耗,基质氧化率和心率.
主要成果:
- 与坐着 (P < .05) 相比,站着 (+11%) 和骑自行车 (+94%) 的能量消耗显著增加.
- 心率在站立和骑自行车和坐着时也显著增加 (P < .05).
- 这些EE和心率的增加在不同的PAL组中是一致的,没有发现显著差异.
结论:
- 个人身体活动水平 (PAL) 似乎没有影响从坐到站或非常轻强度自行车的过渡的急性能量和代谢适应.
- 短时间的低强度活动,如站立或骑自行车,无论习惯的活动水平如何,都会增加能量消耗和心率.
- 研究结果表明,在广泛的人群中,纳入活跃休息对抵消久坐行为影响有好处.
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