不同接近失败对动脉硬性的影响,在经过对体积负载进行匹配的阻力训练方案后
Eleftherios Karanasios1, Scott Hannah1, Helen Ryan-Stewart2
1School of Sport, Health and Community, Faculty of Health & Wellbeing, University of Winchester, Winchester, UK.
Physiological reports
|April 11, 2025
概括
高强力耐力训练 (RT) 显著增加动脉硬度 (AS) 比低强力RT. 当负载和体积相匹配时,RT中的较低强度努力会减轻急性动脉硬.
科学领域:
- 心血管生理学心血管生理学
- 运动科学 运动科学
- 生物医学工程 生物医学工程
背景情况:
- 动脉硬度 (AS) 是心血管健康的一个关键指标.
- 耐力训练 (RT) 被广泛推为健康益处,但它对AS的急性影响需要进一步研究.
- 了解不同RT协议如何影响AS对于优化炼处方至关重要.
研究的目的:
- 为了比较两个阻力训练 (RT) 方案的急性影响,负载,体积和休息相匹配,但在努力强度上有所不同,对动脉硬度 (AS) 的测量.
主要方法:
- 11名健康成年人 (36.4±6.8岁) 参与了两个RT方案:高力度 (HE;3组12次) 和低力度 (LE;6组6次).
- 协议与负载强度,体积负载和总休息时间相匹配.
- 带-关节脉冲波速率和增强指数在基线,运动后立即,以及运动后15分钟被测量.
主要成果:
- 高力RT显著增加了带 - 骨脉冲波速 (6.4至7.3米/秒) 与低力RT (6.6至6.7米/秒) 相比.
- 无论是HE和LE协议都显著增加了运动后的增强指数 (13%至28.1%).
结论:
- 较低强度的阻力训练减轻了动脉硬度的急性增加,相比之下,当体积负荷和休息均等时,较高强度的努力会减轻.
- 这些发现表明,RT强度的努力是影响急性动脉硬反应的关键因素.
相关概念视频
01:20Exercise and Cardiovascular Response
655
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...
655
01:20Vascular Resistance
3.0K
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...
3.0K
01:27Exercise and Muscle Performance
1.3K
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...
1.3K