心血管反应对一个完整的阻力训练课程进行,并没有血液流量限制
Anderson Geremias Macedo1,2,3,4, Gabriel de Souza Zanini1,5,6, Danilo Alexandre Massini1,2
1School of Sciences (FC), São Paulo State University (UNESP), Bauru 17033-360, SP, Brazil.
Sports (Basel, Switzerland)
|December 24, 2025
概括
血液流量限制 (BFR) 与低负荷抵抗训练 (RT) 提供与高负荷RT相比的心血管刺激. 这表明BFR为寻求有效抵抗训练益处的个人提供了更安全的替代方案.
科学领域:
- 运动生理学 运动生理学
- 心血管健康 心血管健康
- 体育科学 运动科学 运动科学
背景情况:
- 高强度抵抗训练 (RT) 可以给心血管带来很大的压力.
- 血流限制 (BFR) 是一种低负荷训练方法,具有潜在的安全性和疗效益,尽管其血液动力学效应需要澄清.
研究的目的:
- 为了比较高负荷RT (RT_HL) 与低负荷RT与BFR (RT_LL+BFR) 的心血管反应.
主要方法:
- 19名训练有素的男性接受了RT_HL (70% 1RM) 和RT_LL+BFR (30% 1RM) 协议.
- 关键的心血管变量包括心率 (HR),最大%HR (%HRmax),静脉血压 (SBP),透气血压 (DBP) 和速率压力产物 (RPP) 被监测.
主要成果:
- 与基线相比,RT_HL和RT_LL+BFR都显著增加了HR,%HRmax,SBP和RPP.
- 没有测量的变量超过了既定的安全值.
- 在这两种情况中,DBP显示了轻微的增加,而协议之间没有显著差异.
结论:
- 运动强度是RT期间血液动力学反应的关键因素.
- 与低负荷RT相结合的BFR可以引起与高负荷RT相似的心血管刺激.
- RT_LL+BFR为传统的高负载RT提供了一个潜在的更安全的替代方案.
更多相关视频
12:37Surgical Placement of Catheters for Long-term Cardiovascular Exercise Testing in Swine
Published on: February 9, 2016
13.8K
07:26Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans
Published on: October 17, 2018
21.2K
相关概念视频
01:20Exercise and Cardiovascular Response
3.8K
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...
3.8K
01:17Exercise and Cardiac Output
1.8K
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...
1.8K
01:20Vascular Resistance
9.8K
Vascular resistance is a critical concept in understanding blood flow dynamics in the circulatory system. It refers to the resistance that blood encounters as it flows through the blood vessels. This resistance is a key factor in determining blood pressure and cardiac workload.
The primary determinants of vascular resistance are vessel diameter, blood viscosity, and vessel length. Among these, vessel diameter plays the most significant role due to the fourth power relationship described by...
The primary determinants of vascular resistance are vessel diameter, blood viscosity, and vessel length. Among these, vessel diameter plays the most significant role due to the fourth power relationship described by...
9.8K
01:27Exercise and Muscle Performance
2.2K
Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
2.2K
01:26Exercise Stress Test
1.1K
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
1.1K
01:17Autoregulation of Blood Flow
7.4K
Autoregulation mechanisms are characterized by their inherent capacity for self-regulation without necessitating specific nervous stimulation or endocrine control. These mechanisms facilitate the adjustment of blood flow and, therefore, perfusion specific to each tissue region. This self-regulation encompasses chemical signals and myogenic controls.
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation....
Chemical Signaling in Autoregulation
Chemical signaling operates at the precapillary sphincter level, inciting either contraction or relaxation....
7.4K