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速度和距离的重新分配-下肢力量战略在单腿方法跳跃中.
Wei-Hsun Tai1,2, Hsien-Te Peng2,3, Jian-Zhi Lin4
1School of Physical Education, Quanzhou Normal University, Quanzhou 362000, China.
Life (Basel, Switzerland)
|January 28, 2026
概括
在单腿跑步跳跃中改变接近速度和距离,显著改变了下肢关节的能量分配方式. 这凸显了特定生物力学适应对于最佳性能的重要性.
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:
- 跑步跳跃的接近阶段对于表现至关重要.
- 了解方法动力学如何影响跳跃动力学对于优化运动运动是必不可少的.
- 之前的研究还没有完全阐明单脚接近运行跳跃期间的联合水平动力策略.
研究的目的:
- 系统地研究接近动力学 (速度和距离) 在接近单腿跳跃 (ARJSL) 时对动力学和功率产生的影响.
- 分析不同方法策略如何影响跳跃高度,着陆速度,反应强度指数,关节功率和关节度.
- 描述关节层的机械适应,以应对接近速度和距离的组合变化.
主要方法:
- 采用了2 × 3内主体设计,25名男性大学生进行ARJSL试验.
- 操纵接近速度 (快速,缓慢) 和接近距离 (3,6,9米).
- 利用3D运动捕捉与力平台数据同步,以量化生物力学变量,包括跳跃高度,垂直着陆速度,反应强度指数,峰值关节功率 (部,膝盖,脚) 和关节性.
主要成果:
- 对于跳跃高度,垂直着陆速度,反应强度指数和脚硬度,发现了接近速度和距离之间的显著相互作用.
- 方法策略的改变系统地改变了机械功率在部,膝盖和脚关节的分布.
- 反应强度指数和脚硬度表现出对速度和距离操作的特别敏感,这表明它们在拉伸缩短周期强度和关节负荷方面的作用.
结论:
- ARJSL的性能取决于在下肢的微调,速度和距离特定的生物力学适应.
- 接近速度和距离相互作用,影响ARJSL期间的功率再分配和度行为.
- 结果提供了对ARJSL的接近效应的联合层次机械特征,强调了神经机械性能指标.
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