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在棒球比赛中,在比赛中的击球表现的力量,速度和人类学预测因素
Jordan N Kohn1, Liam Lochhead2, Jiren Feng2
1Herbert Wertheim School of Public Health and Human Longevity Science, University of California, San Diego, USA.
Journal of sports sciences
|June 4, 2024
概括
这项研究发现,虽然身体测量预测棒球击球表现,但来自前景发展管道 (PDP) 的特定力量和功率评估进一步改善了大学球员的区域接触率和硬击率的预测.
科学领域:
- 运动科学 运动科学 运动科学
- 棒球业绩分析 棒球业绩分析
- 生物力学 生物力学
背景情况:
- 确定可靠的定量评估来预测棒球运动员的表现和潜力是一个关键的研究领域.
- 现有的预测模型存在局限性,只有很少的验证措施和重大知识差距.
- 美国棒球前景开发管道 (PDP) 开发了一种多维评估电池,针对力量,功能运动和人类学.
研究的目的:
- 评估PDP评估电池对大学棒球运动员在场上表现的预测效用.
- 确定人体特征与物理评估在预测关键打击指标方面的贡献.
主要方法:
- 研究了一组为期两年的阿巴拉契亚联盟的189名大学棒球运动员.
- 玩家接受了多维评估,测量了电池的强度,功能运动和人类学.
- 计算了摇摆倾向指标,区域接触百分比 (ZCP) 和硬打击百分比 (HHP). 预测模型使用随机森林和弹性净回归与嵌套交叉验证.
主要成果:
- 人类测量特征解释了29%的ZCP变异和50-55%的HHP变异.
- 添加PDP评估数据使ZCP预测提高了1-3%,HHP预测提高了5-12%.
- 来自PDP电池的强度和功率评估成为了顶级预测指标.
结论:
- 人类测量特征是棒球击球表现 (ZCP和HHP) 的重要预测因素.
- 物理评估,特别是PDP电池的强度和功率测量,提供增量预测价值.
- 这项研究通过使用先进的指标验证了体力和人类能力对游戏内棒球表现的贡献.
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