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快慢瑜伽呼吸对脑和中枢血流动力学的影响。

The Effects of Fast and Slow Yoga Breathing on Cerebral and Central Hemodynamics.

作者信息

Bellissimo Gabriella, Leslie Eric, Maestas Valarie, Zuhl Micah

机构信息

Department of Health, Exercise, and Sports Sciences, University of New Mexico, Albuquerque, NM, USA.

School of Health Sciences, Central Michigan University, Mt. Pleasant, MI, USA.

出版信息

Int J Yoga. 2020 Sep-Dec;13(3):207-212. doi: 10.4103/ijoy.IJOY_98_19. Epub 2020 Sep 13.

Abstract

BACKGROUND

Yoga breathing has shown to impose significant cardiovascular and psychological health benefits.

OBJECTIVE

The mechanism (s) responsible for these health benefits remain unclear. The aim of the present study was to assess the differences in cerebral and central hemodynamic responses following fast breathing (FB) and slow breathing (SB) protocols compared to breathing awareness (BA) as a control.

METHODS

Twenty healthy participants (10 males and 10 females) volunteered to take part in the study. Participants were between ages 18-55 years (group mean: 24 ± 5 years), with a height of 168.7 ± 9.8 cm and a weight of 70.16 ± 10.9 kg. A familiarization trial including FB and SB protocols were performed by each participant at least 24 h before the testing day. The breathing protocols were designed to achieve 6 breath/min for SB and ~ 120 breaths/min for FB.

RESULTS

FB resulted in an increase in both right prefrontal cortex (RPFC) and left prefrontal cortex (LPFC) hemoglobin difference (Hbdiff) (brain oxygenation) compared to BA ( < 0.05). FB resulted in an increased Hbdiff in LPFC compared to RPFC SB ( < 0.05). FB resulted in an increased Hbdiff in LPFC compared to SB ( < 0.05).

CONCLUSION

FB may be an effective yoga breathing technique for eliciting cerebral brain oxygenation indicated by increased Hbdiff. These results may be applicable to both healthy and clinical populations.

摘要

背景

瑜伽呼吸已被证明对心血管和心理健康有显著益处。

目的

这些健康益处的作用机制尚不清楚。本研究的目的是评估与作为对照的呼吸觉知(BA)相比,快速呼吸(FB)和慢速呼吸(SB)方案后大脑和中枢血流动力学反应的差异。

方法

20名健康参与者(10名男性和10名女性)自愿参加本研究。参与者年龄在18 - 55岁之间(组平均年龄:24±5岁),身高168.7±9.8厘米,体重70.16±10.9千克。在测试日前至少24小时,每位参与者都进行了包括FB和SB方案的熟悉试验。呼吸方案设计为使SB达到每分钟6次呼吸,FB达到约每分钟120次呼吸。

结果

与BA相比,FB导致右侧前额叶皮质(RPFC)和左侧前额叶皮质(LPFC)的血红蛋白差异(Hbdiff)(脑氧合)均增加(<0.05)。与RPFC的SB相比,FB导致LPFC的Hbdiff增加(<0.05)。与SB相比,FB导致LPFC的Hbdiff增加(<0.05)。

结论

FB可能是一种有效的瑜伽呼吸技术,可通过增加Hbdiff来引发大脑氧合。这些结果可能适用于健康人群和临床人群。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a3bd/7735505/4bd7ac6f8e1c/IJY-13-207-g001.jpg

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