长时间坐着期间的阻力运动休息会增加血流对随后口服葡萄糖负载的反应,这种反应发生在久坐不动的成年人中
Emily M Rogers1,2, Nile F Banks1,2, Emma R Trachta1
1Department of Health and Human Physiology, The University of Iowa, Iowa City, Iowa, USA.
Experimental physiology
|August 2, 2024
概括
与长时间坐着相比,每30分钟一次的短时间阻力运动休息 (REB) 改善了饭后腿部的血液流动. 这一策略可能有助于减轻与久坐不动行为和心脏代谢疾病相关的风险.
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:
- 久坐不动的行为与心脏代谢疾病有关,部分原因是食后血流受损.
- 了解如何抵消坐着引起的血管功能障碍对于公共卫生至关重要.
研究的目的:
- 为了研究在3小时的静坐期间短暂的阻力运动休息 (REB) 是否可以改善血管扩张对葡萄糖负荷的反应.
- 为了评估REB对尾动脉血流 (PABF) 和胃内输液的影响.
主要方法:
- 24名久坐不动的成年人接受了两个3小时的条件:不间断的坐着 (SIT) 或REB (每30分钟进行3分钟的运动).
- 测量包括血糖,胰岛素,PABF,以及75g葡萄糖饮料之前和之后的胃半输液.
- 在干预期内测量了尾动脉剪切率 (PASR).
主要成果:
- 与SIT相比,REB在60分钟和120分钟显著增加了PASR.
- 在REB条件与SIT.相比,后葡萄糖负荷,胃半径输液和PABF在REB条件下显著增加.
- 病情之间没有观察到葡萄糖或胰岛素反应的显著差异.
结论:
- 在长时间坐着期间执行简短,频繁的抵抗运动休息,可以提高下肢血液流动对葡萄糖负荷的反应.
- 这一策略提供了一种实际的方法来抵消久坐不动行为引起的血管功能障碍.
- 在久坐不动的人群中,REB可以作为一种有价值的干预措施来降低心脏代谢疾病风险.
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