在自由重量水平和倾斜的长板压力机中,负载-速度关系
Diogo Luís Marques1,2, Waleed Abohasel3, Shaea Alkahtani4
1Department of Sport Sciences, University of Beira Interior, Covilhã, 6200-001, Portugal.
Scientific reports
|July 18, 2025
概括
水平板压力机 (HBP) 允许比倾斜板压力机 (IBP) 更高的速度. 一般和个体负载速度方程都可靠地估计一次重复的最大值 (1RM),使用70-90%的1RM负载.
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:
- 负载-速度关系对于理解阻力运动机制至关重要.
- 通过速度测量来估计一次重复的最大值 (1RM) 为传统测试提供了替代方案.
- 水平板压力机 (HBP) 和倾斜板压力机 (IBP) 之间的负载速度关系的差异尚未完全阐明.
研究的目的:
- 为了比较HBP和IBP之间的负载速度关系.
- 评估一般与个人负载速度方程的准确性,以估计HBP和IBP中的1RM.
主要方法:
- 30名男性参与者对HBP和IBP进行了1RM评估和平均推进速度 (MPV) 测量,用于40-90%的1RM负载.
- 单个和一般的负载速度方程得出并用于预测1RM.
- 使用变化系数 (CV) 和类内相关系数 (ICC) 来评估可靠性.
主要成果:
- 与IBP相比,HBP在30%至80%的负载中观察到更高的MPV 1RM.
- 在使用70-90%的1RM负载时,一般和个体方程都提供了可接受的1RM估计 (CV < 10%,ICC > 0.80).
- 估计的可靠性较低 (CV > 10%,ICC < 0.80),负载在 40-60% 1RM 之间.
结论:
- 负载-速度关系在HBP和IBP之间是不同的,在HBP期间可以实现更大的速度.
- 单个和一般的负载速度方程证明了HBP和IBP中1RM估计的可靠性,特别是在较高的相对负载 (70-90%的1RM) 时.
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