Effect of physical activity breaks during prolonged sitting on vascular outcomes: A scoping review.

IF 1.4 Q3 EDUCATION, SCIENTIFIC DISCIPLINES
Journal of Education and Health Promotion Pub Date : 2024-08-29 eCollection Date: 2024-01-01 DOI:10.4103/jehp.jehp_1773_23
P Poovitha Shruthi, Baskaran Chandrasekaran, K Vaishali, K N Shivashankar, Suresh Sukumar, Sneha Ravichandran, Rajagopal Kadavigere
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引用次数: 0

Abstract

Emerging evidence claims the vascular benefits of varied frequency and duration of physical activity (PA) breaks, whereas the efficacy of varied intensity remains unexplored. We aimed to collate and summate the studies investigating the PA breaks at various intensities on vascular protection. Seven electronic databases were searched for potential studies till Jan 31, 2022. The eligible studies should have administered PA breaks of differing intensities in prolonged sitting postures and explored regional vascular changes [flow mediated dilation (FMD), shear stress, diameter, and blood flow] using ultrasound and novel outcome markers. Two independent reviewers assessed the studies for eligibility after abstract and full-text screen, and appropriate data were extracted to summarise vascular protective effects with PA breaks. Our findings reveal adverse regional vascular outcomes with prolonged sitting (FMD ≈ -1.5%, diameter ≈ -0.06 mm), whereas PA breaks of any intensity were found to improve endothelial functions (FMD ≈ +0.5%, diameter ≈ +0.1 mm, shear ≈ +13 s-1) and mitigate the adverse effects associated with prolonged sitting. Compared with high-intensity activity, low-intensity PA breaks alleviate arterial stiffness and endothelial dysfunction risks.

久坐时的体力活动休息对血管后果的影响:范围综述。
越来越多的证据表明,不同频率和持续时间的体力活动(PA)间歇对血管有益,而不同强度的体力活动间歇对血管的功效仍有待探索。我们旨在整理和总结有关不同强度的体育锻炼间歇对血管保护作用的研究。截至 2022 年 1 月 31 日,我们在七个电子数据库中搜索了可能的研究。符合条件的研究应在长时间坐姿下进行不同强度的PA休息,并使用超声波和新型结果标记物探讨区域血管变化[血流介导的扩张(FMD)、剪应力、直径和血流量]。经过摘要和全文筛选后,两名独立审稿人对研究进行了资格评估,并提取了适当的数据,以总结 PA 休息对血管的保护作用。我们的研究结果表明,久坐会对区域血管造成不利影响(FMD ≈ -1.5%, 直径≈-0.06 mm),而任何强度的体力活动休息都能改善内皮功能(FMD ≈ +0.5%, 直径≈ +0.1 mm, 剪切力≈ +13 s-1),减轻久坐的不利影响。与高强度活动相比,低强度活动量休息可减轻动脉僵化和内皮功能障碍的风险。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
2.60
自引率
21.40%
发文量
218
审稿时长
34 weeks
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