在健康的年轻男子中,对冲刺间隔的急性代谢和分子反应与中等强度的连续运动相比
Enda Murphy1,2, Claire Laurens3, Laurie Frances3
1Department of Medicine, College of Medicine, Nursing and Health Sciences, University of Galway, Ireland.
American journal of physiology. Endocrinology and metabolism
|March 14, 2026
概括
冲刺间歇运动 (SIE) 比中等强度连续运动 (MICE) 显著提高骨肌肉的胰岛素敏感性. 这种节省时间的炼可以改善代谢健康,减少机械工作和时间的投入.
科学领域:
- 运动生理学 运动生理学
- 代谢健康 代谢健康
- 骨肌肉的适应性 骨肌肉的适应性
背景情况:
- 运动强度会影响骨肌肉对健康至关重要的反应.
- 短暂的最大限度运动与长时间的连续运动对肌肉生理学和代谢健康的影响尚未完全理解.
研究的目的:
- 为了比较冲刺间歇运动 (SIE) 和中等强度连续运动 (MICE) 对骨肌肉胰岛素敏感性和代谢标志物的急性影响.
主要方法:
- 一项随机交叉研究,涉及12名健康男性.
- 参与者完成了SIE,MICE或控制的会议.
- 评估胰岛素敏感性使用高胰岛素性欧糖,肌肉活检分析糖原和信号蛋白.
主要成果:
- 与MICE相比,SIE在全身胰岛素敏感度上产生了更大,更持久的改善,尽管总机械工作显著减少.
- 冲刺间隔炼导致更大的肌肉糖原耗尽和补充.
- 在SIE后观察到降低了糖原合成酶和糖原合成酶激酶-3β的酸化.
结论:
- 单次冲刺间歇运动是一种比中等强度的连续运动更强大的刺激,可以改善骨肌肉的胰岛素敏感性.
- 运动强度是骨肌肉中急性代谢适应的一个关键因素.
- 冲刺间歇运动提供了一种时间效率高的策略,可以提高骨肌肉对胰岛素的反应.
更多相关视频
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
7.9K
08:27A Real-World High-Intensity Interval Training Protocol for Cardiorespiratory Fitness Improvement
Published on: February 22, 2022
3.8K
相关概念视频
Exercise and Cardiovascular Response
4.9K
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...
4.9K
Exercise and Muscle Performance
2.9K
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...
2.9K
Exercise Stress Test
1.7K
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
1.7K
Exercise and Cardiac Output
2.4K
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...
2.4K
Metabolic Rate
1.4K
The human body is a powerhouse of energy, with every cell performing numerous functions that require energy. This energy production and consumption is measured by the metabolic rate, which quantifies the total heat generated by all the body's chemical reactions and mechanical work. This measurement helps to determine the rate of kilocalorie (kcal) consumption needed to fuel all ongoing activities.
The Basal Metabolic Rate (BMR) measures the energy expended at rest.
Several factors influence...
The Basal Metabolic Rate (BMR) measures the energy expended at rest.
Several factors influence...
1.4K
