解锁身体的时钟:运动时间和时间型在心脏代谢反应中的作用
Jie Kang1, Nicholas A Ratamess, Avery D Faigenbaum
1Human Performance Laboratory, The College of New Jersey, Ewing, New Jersey.
Journal of strength and conditioning research
|April 23, 2025
概括
与下午的炼相比,早晨的有氧运动可以提高脂肪利用率. 个体时间型会影响运动期间的心率反应,这表明个性化训练计划是有益的.
科学领域:
- 运动生理学 运动生理学
- 时间生物学 时间生物学
- 代谢健康 代谢健康
背景情况:
- 运动对骨肌肉代谢和整体健康至关重要.
- 运动时间对生理反应的影响需要进一步研究.
- 个体时间型可能会调节运动诱导的适应性.
研究的目的:
- 为了研究运动时间 (早晨与下午) 对心肺和代谢反应的影响.
- 为了检查个体时刻型在有氧运动期间对这些反应的作用.
主要方法:
- 三十个健康的年轻人 (15名男性,15名女性) 按时型分类 (早上,没有,晚上类型).
- 参与者完成了一次V·o2max测试和两次随机的30分钟有氧运动试验,在~75%V·o2max (上午和下午).
- 测量包括氧气吸收 (V·o2),心率 (HR),呼吸交换比率 (RER),碳水化合物氧化 (COX) 和脂肪氧化 (FOX).
主要成果:
- 在早晨和下午的运动之间,VO2和HR没有显著的差异.
- 较低的RER和COX,与略高的FOX,与下午相比,在早上炼期间.
- 与早上和两者都不是类型相比,晚上类型的HR运动显著更高.
结论:
- 与下午炼相比,早晨有氧运动可能会促进更大的脂肪氧化.
- 心肺呼吸反应 (V·o2,HR) 在早上和下午的亚最大有氧运动之间是相似的.
- 个体时间型显著影响运动心率,强调需要个性化训练策略.
更多相关视频
07:26Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans
Published on: October 17, 2018
20.4K
08:36Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
Published on: August 8, 2019
11.9K
相关概念视频
Exercise and Cardiovascular Response
750
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...
750
Exercise and Cardiac Output
946
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...
946
Circadian Rhythms and Gene Regulation
4.0K
The biological clock is involved in many aspects of regulating complex physiology in all animals. It was in 1935 when German zoologists, Hans Kalmus and Erwin Bünning, discovered the existence of circadian rhythm in Drosophila melanogaster. However, the internal molecular mechanisms behind the circadian clock remained a mystery until 1984, when Jeffrey C. Hall, Michael Rosbash, and Michael W. Young discovered the expression of the Per gene oscillating over a 24-hour cycle. In subsequent...
4.0K
Exercise and Muscle Performance
1.4K
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...
1.4K
Pathophysiology of Cardiac Performance
616
Typical heart performance is influenced by heart rate, rhythm, myocardial contraction, and metabolism or blood flow. The cardiac muscle exhibits distinct electrophysiological features, including pacemaker activity and calcium channel control, which play a vital role in the heart's response to various drugs. The autonomic nervous system, comprising the sympathetic and parasympathetic branches, regulates heart rate. Sympathetic activation increases heart rate, while parasympathetic activation...
616
Factors Influencing Heart Rate
2.5K
The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
2.5K
