投球动力学对NCAA棒球中的球场位置有直接和间接的影响
Billy Lozowski1, Chih-Hsuan Wang2, Gretchen D Oliver1
1School of Kinesiology, Auburn University, Auburn AL, United States.
International journal of sports medicine
|November 13, 2024
概括
投生物力学显著影响投位置. 关键因素,如体曲和骨盆旋转在释放冲击球的位置,揭示了运动和性能之间的复杂关系.
科学领域:
- 体育 生物力学 运动 生物力学
- 棒球投球分析 棒球投球分析
背景情况:
- 了解投球动力学和投球位置之间的关系对于表现至关重要.
- 以前的研究还没有完全阐明这些复杂的相互作用.
研究的目的:
- 探索动力学和释放参数之间的关系,以及在大学棒球投手中的投位置.
- 确定影响水平和垂直球位置的特定生物力学因素.
主要方法:
- 收集了77名大学投手的运动数据.
- 使用 57 个动力学参数的路径分析和释放角度作为介导变量.
- 采用线性混合模型来确定投位置的最佳预测器.
主要成果:
- 球释放时侧侧的干部曲是垂直板位的最强预测因素 (R2=0.908).
- 干部曲,质量位移中心和骨盆旋转在脚接触和球释放时显著预测了水平板的位置.
- 许多动力学变量直接和间接地影响了水平和垂直的投位置.
结论:
- 投球生物力学,释放参数和投球位置之间的关系是复杂的.
- 生物力学直接影响释放参数,从而影响最终的投位置.
- 这项研究提供了关于生物力学变异如何影响投球表现的见解.
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