体育专业化对投球的影响 青少年棒球投手中的生物力学
Alexandra L Johnson1, Meghan R Caballero1, Shayne Fehr1
1Department of Orthopaedic Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin.
Sports health
|December 2, 2025
概括
专门从事单一运动的青少年棒球投手与不那么专业的同龄人相比,表现出显著的生物力学差异,包括增加步伐长度和干旋转速度. 这些发现突出了体育专业化对投篮机制和伤害预防策略的影响.
科学领域:
- 运动医学 运动医学
- 生物力学 生物力学
- 青少年体育科学 青少年体育科学
背景情况:
- 青少年体育文化越来越倾向于单项体育专业化而不是多项体育参与.
- 这种趋势引发了人们对潜在伤害的担忧,尽管对技能发展有所感知好处.
研究的目的:
- 为了检查青少年男棒球投手在不同级别的体育专业化的生物力学变化.
- 为了测试动力学,动力学和峰值速度因专业化水平而异的假设.
主要方法:
- 一项描述性实验室研究涉及46名青少年男棒球投手.
- 测量投篮生物力学,包括动力学,动力学和峰值速度,在单个投篮时段.
- 在低级,中级和高级专业化群体中比较数据.
主要成果:
- 从低到高水平的专业化观察到,步伐长度和部-肩部距离的显著增加.
- 干最大旋转速度和肩膀内部旋转 (IR) 速度随着更高的专业化而显著增加.
- 峰值的肩膀分心力也显示了从低到高水平的专业化显著增加.
结论:
- 在青少年棒球投手中,根据他们的体育专业化水平,投球生物力学存在明显的差异.
- 了解这些生物力学变化对于开发有效的绩效训练和青少年棒球中伤害预防策略至关重要.
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