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在投篮的释放阶段的三维上肢关节动力学及其与性能相关性
Shogo Hashimoto1, Tempei Tominaga2, Keigo Ohyama-Byun3
1Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Japan; Advanced Research Initiative for Human High Performance, University of Tsukuba, Tsukuba, Japan.
Journal of biomechanics
|April 20, 2025
概括
射击投篮性能与手腕关节的功率和扭矩以及肩膀关节的扭矩有很强的相关性. 这挑战了先前关于近肢主导在上肢运动,如投篮的假设.
科学领域:
- 生物力学 生物力学
- 运动科学 运动科学 运动科学
- 人类运动分析 人类运动分析
背景情况:
- 射击涉及上肢的推动,这是一个常见的运动任务.
- 靠近的肌肉功能通常被认为对运动性能比远端更为关键.
- 以前证实远端关节的重要性的研究仅限于下肢研究.
研究的目的:
- 为了研究远端关节动力学与投篮表现之间的相关性.
- 为了确定上肢关节扭矩和功率在射击距离中的作用.
- 为了比较上肢的发现与现有的下肢运动性能研究.
主要方法:
- 对13名男性射击运动员运动的分析.
- 动力分析侧重于手腕,肘部和胸部关节的关节扭矩和功率.
- 关节动力学和射击飞行距离之间的统计相关性分析.
主要成果:
- 在飞行距离和最高手腕关节扭矩和功率 (r或 ρ > 0.70) 之间发现了显著的正相关性.
- 在飞行距离和胸关节峰值扭矩 (r = 0.75) 之间观察到显著的正相关性.
- 肘部关节曲扭矩与飞行距离没有显著的相关性 (靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠靠).
结论:
- 手腕关节的扭矩和功率,以及肩膀关节的扭矩,对于投篮表现至关重要.
- 这些发现强调了远端上肢关节在射击中的重要性,与之前的下肢研究形成鲜明对比.
- 结果表明,新的训练策略侧重于远端上肢功率和扭矩产生.
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