反应性高血半时响应与骑自行车运动期间骨肌肉氧和度的变化有关
Jacob R Dellinger1, Arturo Figueroa1, Joaquin U Gonzales1
1Department of Kinesiology and Sport Management, Texas Tech University, Lubbock, TX, United States of America.
Microvascular research
|June 11, 2023
概括
用近红外光谱 (NIRS) 测量反应性高血压期间的再和半衰期与年轻成年人运动期间的骨肌肉氧气变化有关. 这一发现突显了一种静止微血管测量方法,可以预测运动诱导的肌肉脱.
科学领域:
- 运动生理学 运动生理学
- 骨肌肉生理学 骨肌肉生理学
- 血管生物学 血管生物学
背景情况:
- 肌肉微血管功能对于运动期间的氧气输送至关重要.
- 近红外光谱学 (NIRS) 允许对肌肉氧和度进行非侵入性评估.
- 反应性高血症提供了关于血管反应能力的见解.
研究的目的:
- 为了研究后闭塞反应性高血压测量和体肌肉在运动期间氧和度变化之间的关系.
- 为了确定休息的微血管功能是否预测年轻成年人的运动高血压.
主要方法:
- 30名年轻人接受了最大自行车测试,以确定运动强度.
- 使用NIRS衍生组织和指数 (TSI) 在横向巨上评估了封闭后反应性高血压.
- 测量包括脱度大小,再和率,再和半衰期和曲线下的高血压区域.
- 骨肌肉氧和度 (TSI) 在中度和重度循环运动期间被测量.
主要成果:
- 反应性高血压期间的再和半衰期与中等强度运动 (r = -0.42,P = 0.01) 和严重强度运动 (r = -0.53,P = 0.002) 期间的TSI (∆TSI) 变化有显著的相关性.
- 没有其他反应性高血压变量与运动诱导的∆TSI有显著的相关性.
- 平均∆TSI在中度强度循环时为-3.4±2.4%,在严重强度循环时为-7.2±2.8%.
结论:
- 反应性高血压期间的再和半衰期是肌肉微血管功能的有效休息指标.
- 这一指标与年轻成年人中适度和严重强度运动期间骨肌肉脱度的程度有关.
- 基于NIRS的反应性高血压的评估可以提供有关运动高血压反应的预测信息.
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