Pivotal Role of Heart for Orthostasis: Left Ventricular Untwisting Mechanics and Physical Fitness.

IF 4.9 2区医学 Q1 PHYSIOLOGY

Exercise and Sport Sciences Reviews Pub Date : 2021-04-01 DOI:10.1249/JES.0000000000000247

Shigeki Shibata, Kazukuni Hirabuki, Noritaka Hata, Rina Suzuki, Tomoya Suda, Takahiro Uechi, Ai Hirasawa

引用次数: 1

Abstract

Augmentation of left ventricular (LV) untwisting due to central hypovolemia is likely to be a compensatory mechanism for maintaining stroke volume, which is reduced by a decrease in cardiac filling during orthostatic stress. Orthostatic intolerance observed in both high and low fitness levels may be explained by the impaired response of LV untwisting due to central hypovolemia.

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心脏在直立中的关键作用:左心室解扭力学和身体健康。

由于中枢性低血容量引起的左心室解扭增强可能是维持卒中容量的代偿机制，卒中容量在直立应激时因心脏充盈减少而减少。在高健康水平和低健康水平中观察到的直立不耐受可能是由于中枢性低血容量导致左室解扭反应受损。

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

Exercise and Sport Sciences Reviews 社会科学-生理学

CiteScore

10.70

自引率

1.80%

发文量

期刊介绍： Exercise and Sport Sciences Reviews made the transition from an annual hardcover series book to a quarterly journal in January 2000. The mission of this American College of Sports Medicine publication is to provide premier quarterly reviews of the most contemporary scientific, medical, and research-based topics emerging in the field of sports medicine and exercise science. The publication strives to provide the most relevant, topical information to students, professors, clinicians, scientists, and professionals for practical and research applications.