在喀麦隆青少年男性中,经过800米耐力跑路负载后的运动后心率变化恢复
Jerson Mekoulou Ndongo1,2, Elysée Claude Bika Lele1,2, Wiliam Richard Guessogo1,3
1Physical Activities and Sport Physiology & Medicine Unit, Faculty of Science, University of Douala, Cameroon.
Sports medicine and health science
|February 5, 2024
概括
在喀麦隆举办的800米比赛.
科学领域:
- 运动生理学 运动生理学
- 自主神经系统功能 自主神经系统功能
- 青少年健康 青少年健康
背景情况:
- 800米跑步是喀麦隆常见的体育活动.
- 运动后心律失常可能发生在从此事件中恢复期间.
- 了解心脏自主恢复对于青少年运动员至关重要.
研究的目的:
- 确定800米跑步负载与学龄青少年心脏自主恢复之间的关系.
- 研究运动强度和持续时间如何影响运动后的心率变化 (HRV).
- 为了探索生理标记和自主功能在艰苦的运动后之间的相关性.
主要方法:
- 42名男青少年 (平均年龄17岁) 完成了一场800米的跑步.
- 心率变化 (HRV) 在5分钟和15分钟的恢复期间被测量.
- 分析的参数包括时间域 (SDNN,RMSSD) 和频域 (LF,HF,TP) 的HRV指数,以及感知劳动力 (RPE) 和血中乳酸盐度 (BLa) 的评级.
主要成果:
- 增加800米跑步负载与恢复期间心率的阴道调节放缓有关.
- 在5分钟和15分钟的恢复期间,血中乳酸度和RPE与各种HRV指数 (SDNN,RMSSD,LF,HF,TP) 显示出显著的负相关性.
- 运动持续时间也与高频 (HF) HRV有负相关性,这表明副交感活动减少.
结论:
- 在未经训练的青少年中,更高的800米跑步负载与心脏自主恢复受损有关.
- 像RPE和BLa这样的生理性压力标志物反映了运动后阴道声调的降低.
- 这些发现强调了监测青少年在艰苦的体力活动后自主恢复的重要性.
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