强烈的间歇运动会导致运动后新陈代谢发生更大的变化,相比之下,中年成人中最大限度的运动会导致更大的变化
Seth F McCarthy1, Claudia Jarosz1, Emily J Ferguson1,2
1Department of Kinesiology and Physical Education, Wilfrid Laurier University, 75 University Ave W, Waterloo, ON, N2L3C5, Canada.
高强度间隔训练 (HIIT) 和修改的冲刺间隔训练 (SIT) 在中年成人中显著提高了运动后的氧气消耗. 与其他运动强度相比,修改后的SIT还显示脂肪氧化率的增加更大.
科学领域:
- 运动生理学 运动生理学
- 代谢适应的过程
- 衰老研究研究 衰老研究
背景情况:
- 众所周知,高强度间歇训练 (HIIT) 和冲刺间歇训练 (SIT) 可以促进年轻人运动后的新陈代谢.
- 关于这些强烈训练方法对中年人群新陈代谢的影响的研究有限.
研究的目的:
- 为了研究不同的运动强度如何影响中年成人运动后代谢.
- 为了比较对亚最大,近最大和最高最大的运动方案的代谢反应.
主要方法:
- 12名中年成人 (44±10岁) 接受了四次训练:控制,中度强度持续训练 (MICT),HIIT和修改SIT.
- 在运动期间和运动后2小时内测量氧气消耗 (O2) 和脂肪氧化.
- 参与者完成了MICT (30分钟在65%VO2max),HIIT (10x1分钟在90%最大HR) 和修改的SIT (8x15秒"全力以赴").
主要成果:
- 与对照组相比,HIIT和修改后的SIT都显著增加了运动后的氧气消耗.
- 与HIIT相比,修改后的SIT在第一个小时内显示氧气消耗的升高.
- 与所有其他条件相比,修改后的SIT显著增加了脂肪氧化,包括HIIT和MICT.
结论:
- 运动强度在调节中年成人运动后新陈代谢方面发挥着至关重要的作用.
- HIIT和修改后的SIT有效地提高了运动后的氧气消耗.
- 修改后的SIT似乎特别有效地增强了这一群体的脂肪氧化.
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
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
相关概念视频
Exercise and Cardiovascular Response
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...
Exercise and Muscle Performance
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...
Metabolic States of the Body: The Postabsorptive State
Initially, glycogen stored in the liver is broken down to release glucose into the bloodstream, while glycogen in the muscles is broken down to supply glucose for energy directly within the muscle cells. As glycogen stores diminish,...
Exercise and Cardiac Output
Sustained exercise increases the muscles' oxygen demand, which can be...
Exercise Stress Test
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
Metabolic Rate
The Basal Metabolic Rate (BMR) measures the energy expended at rest.
Several factors influence...
