在单脚下降时的腰腹部稳定性和在棒球投球时的肘部静脉扭矩之间的关联
Zachary J DeZee1, Adam J Barrack1, Kayla Bucci2
1Department of Biokinesiology and Physical Therapy and.
Journal of athletic training
|May 22, 2024
概括
棒球投手在单腿下一步任务中具有更大的干部和骨盆运动,可能具有更高的肘部扭矩和更低的球速度. 这种腰骨运动评估可以识别肘部受伤的危险因素.
科学领域:
- 棒球投球的生物力学
- 运动伤害预防 运动伤害预防
- 动力链分析 动力链分析
背景情况:
- 在投球过程中,能量转移依赖于腰骨稳定性.
- 腰骨稳定性降低与肘部受伤有关,但机制尚不清楚.
研究的目的:
- 为了确定腰骨稳定性是否预测棒球投手的肘扭矩.
- 描述 lumbopelvic 动力学与投球表现之间的关系.
主要方法:
- 对44名NCAA第一师棒球运动员的横截面研究.
- 在快球投球过程中测量了肘扭矩和球速度.
- 通过单脚下降步骤 (SLSD) 任务与动力学分析来评估腰腹骨稳定性.
主要成果:
- 两种子集群出现了:低扭矩-高速度和高扭矩-低速度.
- 增加横平面干部运动 (OR=2.9) 和骨盆运动 (OR=2.5) 预测在高扭矩-低速度集群中存在的可能性更高.
结论:
- 在SLSD期间的腰运动可以识别与高肘扭矩和低球速度相关的缺陷.
- 横平面的骨盆和干部运动是独立地与这个投球形状联系在一起的.
- SLSD评估提供了一种方法来识别增加肘部扭矩和减速的风险因素.
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