蛋白质补充和游戏时间在拥挤的篮球时间表中对恢复动力学的影响
Dimitrios Pantazis1, Alexandra Avloniti1, Draganidis Dimitrios2
1Department of Physical Education and Sport Science, School of Physical Education, Sport Science and Occupational Therapy, Democritus University of Thrace, 69100 Komotini, Greece.
Nutrients
|January 11, 2025
概括
在强烈的篮球比赛中增加蛋白质摄入量可以提高抗氧化剂水平,但不能加速肌肉功能恢复. 这一发现对于应对繁忙日程的运动员来说至关重要.
科学领域:
- 运动科学 运动科学 运动科学
- 营养生物化学 营养生物化学
- 运动生理学 运动生理学
背景情况:
- 蛋白质补充剂在运动员中很常见,但在苛刻的时间表中其有效性仍在争论中.
- 连续比赛的篮球微循环为球员带来了重大恢复挑战.
研究的目的:
- 为了确定增加蛋白质摄入量是否在6天的拥挤微循环期间加速男性篮球运动员的肌肉功能恢复.
- 调查游戏时间对恢复的影响以及蛋白质补充剂的有效性.
主要方法:
- 随机,交叉,双盲研究,对18名男性篮球运动员进行.
- 球员在3场比赛期间和随后的恢复期间每天接受牛奶蛋白 (PRO) 或碳水化合物 (安慰剂).
- 测量了肌肉功能 (峰值扭矩),肌酸激酶 (CK) 和红细胞谷氨 (GSH).
主要成果:
- 游戏后肌肉功能受损,高游戏时间组的缺陷更大.
- 在中度游戏时间组中,肌酸激酶水平恢复得更快.
- 蛋白质补充剂增加了红细胞GSH,但没有改善肌肉功能恢复或降低CK水平.
结论:
- 虽然蛋白质摄入增加了抗氧化剂状态 (GSH),但它并不能在拥挤的时间表中加速篮球运动员的肌肉功能恢复.
- 游戏时间显著影响肌肉恢复,独立于蛋白质补充剂.
相关概念视频
Muscle Recovery and Fatigue
2.0K
Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective...
2.0K
Overview of Protein Metabolism
717
Proteins are broken down into amino acids during digestion. Unlike fats and carbohydrates, which are stored for later use, proteins are not. Instead, amino acids are either used to produce ATP through oxidation or contribute to the creation of new proteins for the growth and repair of the body. Any surplus amino acids from the diet are converted into glucose or triglycerides rather than excreted.
Amino acids play various roles in the body once they are absorbed into cells. They are restructured...
Amino acids play various roles in the body once they are absorbed into cells. They are restructured...
717
Proteins: Dietary Sources and Requirements
387
Consuming animal-based products offers high-quality proteins that contain optimal levels and combinations of essential amino acids, crucial for tissue repair and growth. Foods like eggs, milk, fish, and most meats are a source of complete proteins. Legumes and cereals are abundant in proteins; however, they typically lack a full range of essential amino acids. As a result, they are considered incomplete protein sources. Some plant sources like soybeans, quinoa, and amaranth do contain complete...
387
Exercise and Cardiovascular Response
727
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...
727
Exercise 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
Physiological Pharmacokinetic Models: Assumption with Protein Binding
30
Physiological models with protein binding in pharmacokinetics offer a sophisticated approach to understanding drug disposition. These models consider drug-protein interactions, enabling them to effectively predict drug concentrations in different organs and tissues. This precision aids in accurate drug dosing, providing a significant advantage over conventional models. A key process within these models is equilibration, which ensures that drug concentrations achieve a steady state within the...
30


