确定800米跑步和800米滑雪人体表现仪表表现变化的生理变量.
Lars Erik Gjerløw1,2, Arnstein Sunde3, Eva Maria Støa3
1Department of Sports, Physical Education and Outdoor Studies, University of South-Eastern Norway, Bø, Norway. lars.e.gjerlow@usn.no.
European journal of applied physiology
|April 18, 2025
概括
提高最大氧气吸收,工作经济和冲刺速度可以提高中距离跑步和滑雪人体表现. 这些生理因素是促进运动员800米计时赛成绩的关键.
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
- 生物机械性能分析分析
背景情况:
- 了解中距离表现的生理决定因素对于优化训练至关重要.
- 以前的研究已经探讨了各种因素,但与800米计时赛变化的特定关联需要进一步调查.
研究的目的:
- 在七周的时间内调查800米计时比赛表现变化与关键生理变量之间的关联.
- 为了区分跑步和滑雪之间的这些协会,人体工程计双重选拔学科.
主要方法:
- 46名运动员 (从娱乐运动员到精英运动员) 接受了干预前后测试.
- 测试包括800米计时,最大冲刺速度 (MSS/MSP),氧气吸收峰值 (VO2峰值),氧气成本 (CR/CDP),耗尽时间 (TTE),最大累积氧气赤字 (MAOD) 和最大强度 (1RM).
主要成果:
- 对于滑雪人体表,最大有氧功率 (MAP) 和最大强度的变化与800米计时赛变化有中等的相关性 (r = -0.51).
- 对于跑步,最大有氧速度 (MAS) 和冲刺速度方程的变化与800米计时赛的变化有很强的相关性 (r = -0.71至 -0.73).
- VO2peak是MAS在跑步方面的改进的主要驱动因素,而双波的氧气成本 (CDP) 是MAP在滑雪人体表的改进的关键因素.
结论:
- 为提高中距离跑步和滑雪冲刺表现,建议专注于提高最大氧气吸收 (VO2max),工作节约和最大冲刺速度的训练.
- 在TTE和MAOD的变化与800米计时比赛的性能改善在任何学科都没有相关.
相关概念视频
Exercise and Cardiovascular Response
645
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...
645
Exercise and Cardiac Output
702
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...
702
Exercise and Muscle Performance
1.2K
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...
1.2K


