在软球中,地面反应部队和峰值抛肩部力量高中投手
Kenzie B Friesen1, Ian P Jump2, Gretchen D Oliver2
1Medicine, University of Saskatchewan, Saskatoon, Canada.
International journal of sports medicine
|November 14, 2025
概括
软球投手可以通过在投球推进阶段优化地面反应力来减少肩力. 这项研究发现,身体下部发电和肩膀压力之间存在特定的关系,这可能有助于预防伤害.
科学领域:
- 生物力学 生物力学
- 运动医学 运动医学
- 软球表现分析软球表现分析
背景情况:
- 投性能依赖于为速度产生显著的地面反应力 (GRF).
- 软球投手的高肩力与受伤风险有关.
- 了解GRF和肩力之间的关系对于优化投篮力学和减少伤害至关重要.
研究的目的:
- 调查软球球场推进阶段地面反应力与峰值肩力之间的关联.
- 确定生物力学策略,以尽量减少高中软球投手的肩部压力.
主要方法:
- 32名高中软球投手参加了比赛,他们进行了快球投球.
- 收集了动力学和动力学数据,并对三个最快的投篮进行了平均值.
- 用多重回归和相关性来分析GRF和肩膀动力学之间的关系.
主要成果:
- 在垂直地面反应力和峰值产生的肩力 (p=0.003) 之间发现了显著的关联.
- 地面反应力发展的速度与肩膀分散力的峰值 (r=-0.367,p=0.033) 和推进过程中的结果力 (r=-0.439,p=0.009) 有负相关.
结论:
- 身体下部的贡献和动力链序列在早期投球阶段减轻肩部力量方面非常重要.
- 优化GRF可能会降低软球投手的受伤风险,特别是考虑到疲劳对力量产生的影响.
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