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核密度估计:一种用于可视化双马赛训练强度分布的新工具
Craig A Staunton1,2, Andreas Kårström1,3, Hannes Kock1,4
1Department of Health Sciences, Swedish Winter Sports Research Centre, Mid Sweden University, Östersund, Sweden.
Frontiers in sports and active living
|July 7, 2025
概括
二维的核心密度估计 (KDE) 图形提供了对双马赛训练强度分布的详细视图. 这些图片有助于教练评估训练质量和运动员的反应,提高计划的有效性.
科学领域:
- 运动科学 运动科学 运动科学
- 双色球训练监测 双色球训练监测
- 数据可视化技术 数据可视化技术
背景情况:
- 传统的培训指标,如时区 (TIZ) 提供了培训强度分布 (TID) 的基本概述.
- 精英青年双项运动员需要精确的监测来优化表现,并防止过度/不足训练.
- 更详细的心率 (HR) 强度模式可视化可以提高训练质量和合规性的评估.
研究的目的:
- 引入二维 (2D) 内核密度估计 (KDE) 图像,作为一种用于在双色球中可视化TID的新方法.
- 评估KDE图表在提供更详细的了解人力资源强度模式的实用性,与传统的指标相比.
- 评估KDE图片如何有助于评估精英青年两项运动员的训练质量和合规性.
主要方法:
- 15名青少年精英两项运动员使用HR监控器进行了5-6周的监测.
- 在五个区域的HR模型中,训练会被分析为区域内时间 (TIZ),区域1以下的时间被归类为区域0.
- 使用MATLAB生成2D KDE图形,以可视化HR强度积累,以及传统的直方图和条形图分析.
主要成果:
- 运动员在计划的低强度训练 (LIT) 期间,在1区积累的时间较少,在2区积累的时间较多.
- 在5区的执行时间在高强度训练 (HIT) 课程中低于计划.
- 所有会议都显示了0区的计划外时间,2D KDE图表显示了持续的HR强度模式.
结论:
- 2D KDE 图形提供了对人力资源强度的细微,连续的视图,补充了用于监测双项运动训练的 TIZ 分析.
- 识别计划和实际训练强度之间的差异使教练能够改进策略并提供个性化的反.
- 整合KDE图片可以改善训练对齐,减轻过度/不足训练的风险,并优化运动员的发展.
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