在训练有素的橄球运动员中,奇特的力量-速度-负荷关系
Conor McNeill1,2, C Martyn Beaven1, Daniel T McMaster1,2
1Te Huataki Waiora School of Health, Adams Centre for High Performance, The University of Waikato, Tauranga, New Zealand.
Journal of strength and conditioning research
|December 13, 2023
概括
这项研究探讨了橄球运动员在背部坐时的奇特的力-速度-负载关系. 结果表明,虽然更重的负载增加了平均力,但它们降低了速度,峰值力显示平原.
科学领域:
- 生物力学 生物力学
- 运动生理学 运动生理学
- 运动科学 运动科学 运动科学
背景情况:
- 传统的力-速度曲线描述了集中肌肉动作期间的过度波动关系.
- 关于多关节练习中的异常力-速度-负载关系的研究有限,特别是在应用运动环境中.
研究的目的:
- 在增量异常背试验中调查力-速度-负载关系.
- 分析了训练有素的运动员的杆负荷如何影响异常力和速度参数.
主要方法:
- 37名男性职业橄球运动员进行了一项渐进式异常背部坐测试.
- 一般化的线性混合模型分析了杆负荷对相对偏心峰值力 (REPF),相对偏心平均力 (REMF),偏心峰值速度 (EPV) 和偏心平均速度 (EMV) 的影响.
主要成果:
- 杆负荷显著影响了所有测试的异常变量 (p < 0.05).
- 增加的负载导致了REMF的线性增加和EMV和EPV的减少.
- 随着负载的增加,观察到REPF的平稳效应,较轻的负载产生类似的峰值力,但速度更高.
结论:
- 在多关节练习中,偏心力-速度-负荷关系可能因测量到的特定力和速度参数而异.
- 量化异常表现为运动评估和训练计划设计提供了宝贵的见解.
- 需要进一步的研究来探索训练适应和古怪特征与运动表现之间的因果关系.
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