在恒定和交替强度运动期间和之后的荷尔蒙和血糖反应
Sofia Spanoudaki1, Maria Maridaki1, Costas Chryssanthopoulos2
1Faculty of Physical Education and Sport Science, National and Kapodistrian University of Athens, 41 Ethnikis Antistasis, 17237 Dafni, Greece.
Journal of clinical medicine
|January 25, 2025
概括
持续和交替的运动强度,持续时间和工作时间相似,在健康的男性中导致可比的血糖水平. 荷尔蒙反应,包括胰岛素,瘦素和益生菌素,在两种运动类型之间随着时间的推移显示出一些差异.
科学领域:
- 运动生理学 运动生理学
- 内分泌学 在内分泌学.
- 代谢研究 代谢研究
背景情况:
- 运动强度显著影响葡萄糖代谢和荷尔蒙特征.
- 许多运动涉及交替的运动强度,需要与恒定强度协议进行比较.
- 了解这些反应对于优化训练和绩效至关重要.
研究的目的:
- 为了比较血糖和激素对恒定 (CON) 与交替 (ALT) 强度循环运动的反应.
- 为了研究运动强度模式对血糖,胰岛素,瘦素和益生菌素水平的影响.
- 为了确定运动持续时间和总工作是否会影响这些生理反应.
主要方法:
- 十名健康的男性在随机顺序完成了两次60分钟的骑自行车比赛.
- 在ALT发作中,高强度和低强度交替发生,而在CON发作中,保持稳定的中等强度 (~70%的VO2max).
- 这两种方案在持续时间和总工作方面都匹配,平均强度为乳酸值的105%.
主要成果:
- 在CON和ALT协议之间或随着时间的推移,没有发现血糖度的显著差异.
- 在这两种方案中,胰岛素水平随着时间的推移显著下降,但它们之间没有差异.
- 莱普和益生菌度没有显示显著的协议间差异,尽管在特定的协议中发生了轻微的时间依赖的变化.
结论:
- 骑自行车以恒定的或交替的中等强度运动在健康的男性中引起类似的血糖反应.
- 尽管葡萄糖控制类似,但随着时间的推移,荷尔蒙反应在恒定和交替的运动强度之间可能会有所不同.
- 这些发现突出了对不同运动强度模式的细微生理适应.
更多相关视频
06:13Author Spotlight: Exploring the Impact of Reduced Resistance Exercise Volume on Metabolic Health
Published on: December 1, 2023
1.0K
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
7.2K
相关概念视频
01:20Exercise and Cardiovascular Response
717
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...
717
01:02Glucose Homeostasis: Regulation of Blood Glucose
1.4K
Carbohydrates consumed through foods are converted into glucose, a crucial energy source for the body. In the prandial state, high blood glucose levels stimulate the secretion of insulin from the pancreas. Insulin inhibits hepatic glucose production and stimulates glucose uptake and metabolism by muscle and adipose tissue. The excess glucose is converted into glycogen and stored in the liver and muscles.
During fasting, when blood glucose levels are low, the pancreas secretes glucagon. it...
During fasting, when blood glucose levels are low, the pancreas secretes glucagon. it...
1.4K
01:16Hormones Regulating Blood Glucose
3.0K
Insulin is released by beta cells of the pancreas when blood glucose levels are high. It facilitates glucose absorption and utilization in insulin-dependent cells with insulin receptors on their plasma membranes. Insulin promotes glucose uptake by increasing the number of glucose transport proteins in the cell membrane, allowing glucose to enter the cell. As a result, glucose utilization and ATP production are enhanced.
In addition to accelerating glucose uptake and utilization, insulin has...
In addition to accelerating glucose uptake and utilization, insulin has...
3.0K
01:26Exercise Stress Test
163
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
163
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
01:18Metabolic States of the Body: The Postabsorptive State
242
The postabsorptive state usually starts about four hours after a meal and lasts until the next meal is eaten. During this time, the digestive system stops absorbing nutrients, and the body uses stored energy reserves to maintain stable blood glucose levels.
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,...
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,...
242