不同速度减速对冲刺运动员激活后性能增强 (PAPE) 影响的影响:试点随机对照研究
Liang Li1,2, Ling Mo1, Yanxu Liu1
1China Institute of Sport and Health Science, Beijing Sport University, Beijing 100084, China.
Sports (Basel, Switzerland)
|June 26, 2024
概括
减速协议,特别是20%的减速 (VL),比传统方法更快地提高冲刺运动员的激活后性能增强 (PAPE). 20%的VL协议在20米冲刺时间中显示出更快的改善.
科学领域:
- 运动科学 运动科学 运动科学
- 运动生理学 运动生理学
- 生物力学 生物力学
背景情况:
- 激活后性能增强 (PAPE) 是一种现象,即短暂的强度运动可以暂时提高随后的爆炸性性能.
- 诱导PAPE的传统方法通常依赖于最大的自愿收缩 (例如,1RM测试),这可能不适合所有运动员或性能目标.
- 阻力运动期间的减速 (VL) 已成为引起PAPE的潜在替代策略,重点是保持冲刺速度.
研究的目的:
- 调查和比较两个减速 (VL) 协议 (10% VL和20% VL) 在经过训练的冲刺运动员中对20米冲刺表现的激活后性能增强 (PAPE) 的影响.
- 与传统的调节活动相比,确定VL协议诱导的PAPE效应的最佳时间.
主要方法:
- 一个随机的交叉设计被采用24名男性冲刺运动员 (100米时间:10.96±0.15秒).
- 参与者经历了三个条件:传统组 (TG),10%的速度损失 (10%VL) 和20%的速度损失 (20%VL).
- 干预后4,8,12,16分钟评估了20米冲刺的表现,并使用双向重复测量ANOVA进行了统计分析.
主要成果:
- 对于20米冲刺的表现 (p = 0.037) 发现了群体和时间之间显著的相互作用效应,这表明随着时间的推移产生了差异性影响.
- 20%的VL协议导致在4分钟标记 (p <0.05) 显著提高了冲刺表现.
- 效果大小表明所有组在8分钟后的冲刺改进,特别是20%的VL在4分钟后和10%的VL在16分钟后.
结论:
- 20%的速度损失 (VL) 协议比传统的基于1RM的协议更有效地在冲刺运动员中快速诱导激活后性能提升 (PAPE),并且在干预后4分钟就显示出好处.
- 虽然20%的VL协议提供了更快的PAPE发作,但在以后的时间点 (8,12分钟和16分钟) 中,在10%的VL和20%的VL协议之间没有观察到性能提升的显著差异.
- 基于速度损失的调节是一种可行且潜在的优越方法,用于优化冲刺运动员的急性性能增长.
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