使用铁杆加速度来确定跳跃的1次重复的最大值
Baylee S Techmanski1,2, Cameron R Kissick3, Irineu Loturco4
1Athlete Performance, Mequon, Wisconsin.
Journal of strength and conditioning research
|July 29, 2024
概括
这项研究探讨了使用杆加速来估计跳跃肩 (JS) 的一次重复最大 (1RM). 研究人员发现,确定1RM所需的100%推进阶段在测试负载下无法实现.
科学领域:
- 运动科学 运动科学 运动科学
- 生物力学 生物力学
- 强度和适应条件 强度和适应条件
背景情况:
- 确定一次重复的最大值 (1RM) 对于设计有效的训练计划至关重要.
- 跳 (JS) 是一种可以用来培养上背部和肩膀力量的练习.
- 评估1RM的现有方法可能不适合所有练习,需要采用替代方法.
研究的目的:
- 调查使用杆加速特征来确定跳跃肩 (JS) 的1RM的可行性.
- 在JS重复过程中分析相对负载 (悬浮功率清洁1RM的%) 和推进阶段百分比 (P%) 之间的关系.
主要方法:
- 十五名经过抵抗训练的男子在他们的1RM悬挂功率清洁 (HPC) 的20%,40%,60%,80%和100%的JS重复中进行了JS重复.
- 一个线性位置传感器测量了同心持续时间和推进阶段百分比 (P%).
- 统计分析包括重复测量ANOVA和Hedge的g效应大小,以比较跨负载的变量.
主要成果:
- 集中持续时间在测试负载之间没有显著差异.
- 推进阶段百分比 (P%) 在较高的相对负载 (60-100% 1RM HPC) 时显著增加.
- 在所有重复中都观察到一个制动阶段,表明1RM JS负载未达到.
结论:
- 杆加速特征,特别是P%,在跳跃肩时显示负载依赖的增加.
- 测试的相对负载不足以引起100%的推进阶段,因此无法确定1RM JS.
- 使用这种基于加速的方法,可能需要更重的负载来实现完全的推进阶段,并建立跳跃肩的1RM.
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