连续和间歇运动后反应性高血压指数的变化.
Daniel K Sweet1, P Daniel Patterson2, Steven Reis3
1Center for Research and Education in Special Environments (CRESE), University at Buffalo, Buffalo, NY, USA.
Vascular medicine (London, England)
|October 17, 2024
概括
中等强度间歇运动在健康成年人中改善了微血管功能,而高强度间歇运动没有表现出同样的效果. 需要进一步的研究来理解这些差异.
科学领域:
- 运动生理学 运动生理学
- 心血管健康 心血管健康
- 血管功能 血管功能
背景情况:
- 众所周知,高强度间歇运动 (HIIE) 有助于大血管功能.
- 与中等强度间歇运动 (MICE) 相比,对HIIE对微血管功能的影响不太清楚.
- 周围动脉度用于通过反应性高血压指数 (RHI) 来评估微血管功能.
研究的目的:
- 研究HIIE与MICE对健康成年人微血管功能的急性影响.
- 为了比较不同强度运动后反应性高血压指数 (RHI) 的变化.
主要方法:
- 十名健康的参与者完成了MICE和HIIE骑自行车的单独课程.
- 在60%的最大功率输出时,MICE需要20分钟.
- HIIE包括12分钟的热身,然后是8分钟的 Tabata 协议 (20秒高强度骑自行车,10秒休息).
- 运动前,运动后和运动后1小时测量RHI.
主要成果:
- 与基线相比,MICE后1小时反应性高血压指数 (RHI) 显著增加 (p=0.02).
- 在HIIE后1小时没有观察到RHI的显著改善.
- 在这两种运动条件之间,心率反应有所不同.
结论:
- 根据RHI的指标,单次MICE会话在健康成年人中增强了微血管功能.
- 在这项研究中,HIIE没有显著改善微血管功能.
- 需要进一步研究以阐明运动强度对宏观和微血管适应的明显影响.
更多相关视频
09:04Skeletal Muscle Neurovascular Coupling, Oxidative Capacity, and Microvascular Function with 'One Stop Shop' Near-infrared Spectroscopy
Published on: February 20, 2018
12.5K
07:40Impact of High-intensity Interval Exercise and Moderate-Intensity Continuous Exercise on the Cardiac Troponin T Level at an Early Stage of Training
Published on: October 10, 2019
7.3K
相关概念视频
Exercise and Cardiovascular Response
741
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
741
Exercise Stress Test
177
Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
177
Exercise and Cardiac Output
935
Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be...
Sustained exercise increases the muscles' oxygen demand, which can be...
935
