在急性身体疲劳下足球运动员的表现:基于认知,战术和身体方面的方法
Israel Teoldo1, Felipe Dambroz1, João Brito2
1Centre of Research and Studies in Soccer (NUPEF), Universidade Federal de Viçosa, Department of Physical Education, Viçosa, Brazil.
Heliyon
|May 10, 2024
概括
足球运动员的急性体力疲劳并没有损害周边感知,但降低了体力表现. 战术行为显示出混合效应,进攻效率提高,但防御精度降低,战术行动减少.
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
- 足球表现分析 足球表现分析
背景情况:
- 急性体力疲劳是足球中常见的疾病,影响球员的能力.
- 了解疲劳对感知,战术和表现的影响对于训练和比赛策略至关重要.
研究的目的:
- 调查急性身体疲劳对训练有素的足球运动员外围感知,战术行为和身体表现的影响.
- 在疲劳条件下分析战术执行和物理输出的具体变化.
主要方法:
- 这项研究涉及来自巴西俱乐部的24名训练有素的足球运动员.
- 使用TSAFT90测试诱导了急性身体疲劳.
- 评估了边缘感知,战术行为 (进攻和防守原则) 和身体表现指标.
主要成果:
- 周边感知仍然不受身体疲劳的影响 (p = 0.360).
- 身体表现显著下降,总距离,平均速度,冲刺,加速度和减速减少 (p < 0.001).
- 战术行为表现出复杂的结果:进攻覆盖效率提高 (p = 0.029) 和防御平衡精度提高 (p = 0.009),但进攻行动减少 (p = 0.020) 和防御运动中的错误增加.
结论:
- 急性身体疲劳不会显著改变足球运动员的外围感知.
- 疲劳导致身体表现下降,感知到的努力增加.
- 战术行为受到复杂的影响,在特定区域提高了进攻效率和防守准确性,同时减少了战术行动和增加了防守错误.
相关概念视频
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
Social Facilitation
32.0K
Not all intergroup interactions lead to negative outcomes. Sometimes, being in a group situation can improve performance. Social facilitation occurs when an individual performs better when an audience is watching than when the individual performs the behavior alone. This typically occurs when people are performing a task for which they are skilled.
32.0K
Exercise and Cardiac Output
998
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...
998
Optimal Arousal Theory
172
The optimal arousal theory suggests that performance is maximized when an individual experiences a moderate level of arousal. This theory is closely tied to the Yerkes-Dodson law, which illustrates an inverted U-shaped relationship between arousal and performance. The law, formulated by psychologists Robert Yerkes and John Dodson, implies an ideal arousal level for optimal performance, and deviations from this level can lead to declines in effectiveness.
Inverted U-Shaped Performance Curve
The...
Inverted U-Shaped Performance Curve
The...
172


