负载的影响和注意力集中在机械参数在长板压力投在阻力训练的男人的阻力训练
Olaf Prieske1, Vidar Andersen2, Tom A Moberg Johansen2
1Division of Exercise and Movement, University of Applied Sciences for Sports and Management Potsdam, Potsdam, Germany.
International journal of sports physiology and performance
|January 28, 2024
概括
外部注意力聚焦增强了长椅压力投速度和轻重负载的位移. 适度负载显示注意力集中在这些机械参数上的影响较小.
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:
- 在阻力练习中的功率输出,如长椅压力投 (BPT),受运动负荷的影响.
- 注意力集中,无论是内部 (INT) 还是外部 (EXT),都会显著影响运动期间的功率表现.
研究的目的:
- 调查不同运动负荷 (30%,50%,70%的1-RM) 在BPT期间对机械参数的影响.
- 为了确定INT与EXT的注意力集中如何影响不同负载的这些机械参数.
- 分析负载和注意力集中在BPT性能之间的相互作用.
主要方法:
- 一个交叉研究设计,涉及31名抵抗训练的男性.
- 参与者在30% (轻度),50% (中度) 和70% (重度) 的一次重复最大 (1-RM) 时执行了BPT.
- 对每个BPT条件随机分配了一个INT或EXT关注焦点,并使用线性编码器测量了机械参数.
主要成果:
- 对于速度和垂直移位,观察到负载和注意力焦点之间的显著相互作用效应.
- 外部聚焦在轻 (30%) 和重 (70%) 的负载下导致更大的速度和位移,但在中等 (50%) 的负载下却没有.
- 负载显著影响了投时间,力和功率,功率输出达到50%的峰值1-RM,独立于注意力集中.
结论:
- 外部注意力聚焦可以在轻重负荷下在BPT期间增强速度和垂直移位.
- 中等负载 (50% 1-RM) 似乎对注意力集中在机械长板压力参数的影响不那么敏感.
- 实践者可以利用外部聚焦策略来优化BPT的特定负载条件的性能.
相关概念视频
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