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在青少年棒球运动员中,前臂手惯性与投运动模式和肘部负荷的关系
Toshiharu Tsutsui1, Wataru Sakamaki2, Toshihiro Maemichi1
1Faculty of Sport Sciences, Waseda University, Tokorozawa, Saitama, Japan.
Orthopaedic journal of sports medicine
|October 16, 2024
概括
青少年棒球运动员前臂-手惯性影响投机制和肘部负荷. 较高的惯性与增加的受伤风险和较差的投效率有关,突出显示需要更好地了解肌肉功能.
科学领域:
- 生物力学 生物力学
- 运动医学 运动医学
- 儿科整形外科 儿科整形外科
背景情况:
- 青少年投运动员容易受肘部伤害.
- 前臂-手惯性,这是对旋转加速度的阻力的一种测量,可能在这些伤害中发挥作用.
- 了解身体特征对于预防伤害至关重要.
研究的目的:
- 调查前臂手惯性与青少年棒球运动员投篮机制之间的关联.
- 为了确定前臂-手惯性,肘部负荷和投效率之间的关系.
- 为了确定投运动模式如何影响这些生物力学因素.
主要方法:
- 35名青少年棒球运动员接受了DXA扫描,以测量前臂手惯性.
- 进行了投试验,测量了肘部扭矩和球速度.
- 玩家被分为近距离到远距离序列 (PDS) 或近距离上肢 (PUE) 投运动组.
- 包括t测试和ANCOVA在内的统计分析比较了前臂手惯性作为共变量的组.
主要成果:
- 与PDS组相比,PUE组表现出明显更高的肘部气负荷,投效率和前臂手惯性.
- 350公斤·米2和400公斤·米2的前臂-手惯性值与特定的投模式有显著的关联.
- 较高的前臂-手惯性与增加的肘部关节负荷和更低效的投相关.
结论:
- 前臂-手惯性是一种生长特异性的身体特征,它调解了在青少年棒球运动员中高肘瓦尔古斯负荷和较差的投效率之间的联系.
- 与较高的前臂-手惯性相关的改变投运动模式增加了受伤风险.
- 针对与惯性相关的生物力学因素可能有助于预防年轻运动员的肘部受伤.
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