模拟游戏和双头进球对软球投篮中峰值动力学的影响 跨越投篮类型
Anthony W Fava1, Jessica L Downs Talmage2, Thomas van Hogerwou3
1School of Kinesiology, Auburn University, Auburn, Alabama, USA.
The American journal of sports medicine
|September 30, 2024
概括
软球投手经历下降的肩膀,肘部和手腕动力学与高投球数量,特别是在某些投球类型. 这突出了潜在的伤害风险,并为回归比赛的决定提供了信息.
科学领域:
- 投球的生物力学.
- 运动医学运动医学
- 软球中的伤害预防方法
背景情况:
- 软球中的高投球量可以改变投球机制,运动范围,增加疲劳和疼痛.
- 关于高工作负载如何影响不同球场类型的投篮动力学和受伤风险的研究有限.
研究的目的:
- 分析模拟游戏和双头局期间投篮手臂中峰值肩膀,肘部和手腕动力学的变化.
- 了解投球数和投球类型对投球手臂动力学的影响.
主要方法:
- 一项涉及19名高中软球投手的描述性实验室研究.
- 投手完成了25个投球中的4局,然后休息和双重投球,模拟高工作负载.
- 肩膀,肘部和手腕的峰值动力学被测量在不同的局和投球类型 (快球,落球,曲球,换球).
主要成果:
- 与第一局相比,在后一局 (最后一局和双打局) 观察到肩膀,肘部和手腕动力学显著下降.
- 特定的投球类型,如落球和曲面球,显示肩膀和肘部力量的减少更大.
- 与快球和破球相比,更换球场始终表现出较低的峰值动力学,在所有局中都表现出较低的峰值运动学.
结论:
- 投篮手臂关节动力学在局内下降,根据投篮类型有所不同.
- 峰值动力学通常对快球来说更高,对于换球来说更低.
- 调查结果表明,与高工作负载和特定球场类型相关的潜在受伤风险,通知运动员管理层.
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