运动前摄入酸对足球运动员重复冲刺表现的影响
Dilara Kuru1, Selin Aktitiz1, Muhammed M Atakan1
1Division of Exercise Nutrition and Metabolism, Faculty of Sport Sciences, Hacettepe University, Ankara, Turkey; and.
Journal of strength and conditioning research
|January 19, 2024
概括
在运动前180分钟摄入酸盐 (CIT) 显著提高了足球运动员的重复冲刺表现. 这种人体营养助剂改善了最低功率输出,并减少了疲劳,尽管最初有一些胃肠道不适.
科学领域:
- 运动科学 运动科学 运动科学
- 运动生理学 运动生理学
- 营养补充剂 营养补充剂
背景情况:
- 重复冲刺能力对于足球表现至关重要.
- 能效辅助剂旨在提高运动表现.
- 酸是由于其缓冲能力而具有潜在的 ergogenic 助剂.
研究的目的:
- 调查运动前摄入酸盐 (CIT) 对男性足球运动员重复冲刺表现的影响.
- 为了测试CIT在运动前180分钟服用是否会在现场环境中提高表现.
- 分析与CIT摄入相关的血液标记物和胃肠道症状.
主要方法:
- 一项随机,交叉,双盲研究,涉及20名男性足球运动员.
- 参与者在进行基于跑步的无氧冲刺测试 (RAST) 之前180分钟内摄入了0.5g·kg-1的CIT或安慰剂 (PLC).
- 测量了血液pH,二碳酸盐和乳酸盐水平,以及胃肠道症状.
主要成果:
- 与PLC相比,运动前血液pH和二碳酸盐水平与CIT相比显著更高.
- 运动后的血液pH和二碳酸盐在CIT时升高,而乳酸盐水平在1分钟后可比,但稍后更高.
- 最低输出功率 (p=0.024) 和百分比下降得分 (p=0.023) 随着CIT摄入而显著改善.
- 胃肠道症状在CIT后的30分钟和60分钟更高,但之后没有.
结论:
- 在运动180分钟前摄入0.5g·kg-1体质酸是一种有效的人体工程学辅助剂,可以提高足球运动员的重复冲刺能力.
- 通过提高最小输出功率和降低百分比下降得分来证明改进.
- 虽然可能会出现过渡性胃肠道症状,但CIT可以成为增强足球无氧表现的宝贵补充.
更多相关视频
相关概念视频
Exercise and Cardiovascular Response
815
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...
815
Exercise and Cardiac Output
1.0K
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...
1.0K
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
Muscle Recovery and Fatigue
2.1K
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...
2.1K


