相关实验视频
Updated: Jun 28, 2025

05:12
Swimming Performance Assessment in Fishes
Published on: May 20, 2011
25.5K
精英三项运动员的开放水游泳:生理和生物机械决定因素
Óscar López-Belmonte1, Ana Gay1, Jesús J Ruiz-Navarro1
1Aquatics Lab, Department of Physical Education and Sports, Faculty of Sport Sciences, University of Granada, Granada, Spain.
International journal of sports medicine
|April 22, 2024
概括
精英三项运动员的三项运动员.
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
- 生物力学 生物力学
背景情况:
- 开放式水游泳是三项竞技中的一个关键学科.
- 了解绩效决定因素是优化培训的关键.
研究的目的:
- 分析三项运动员在1500米露水游泳中的表现.
- 检查表现的生理和生物力学预测因素.
- 确定预测开放水游泳成功的关键变量.
主要方法:
- 14名精英三项运动员完成了1500米开放水域游泳测试.
- 收集了生理学数据 (心率,氧气吸收,乳酸盐).
- 分析了包括游泳速度,中风率,长度和指数在内的生物力学变量.
主要成果:
- 游泳指数 (SI) 与表现正相关 (r=0.704,p=0.002).
- 运动结束时的氧气吸收和游泳速度也与表现有积极的相关性.
- 游泳指数 (SI) 成为了开放水域游泳表现的主要预测指标 (R2=0.495).
结论:
- 最大化游泳指数 (SI),代表游泳效率,对于三项运动员的表现至关重要.
- 开放水域培训应专注于增强SI.
- 生理和生物力学因素显著影响1500米露水游泳的结果.
相关概念视频
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 Cardiovascular Response
797
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...
797

