负载选择和性别如何影响1RM预测,在自由重量背时使用最小速度值?
Emanuele Dello Stritto1, Ruggero Romagnoli2, Michele Nocchi1
1Department of Human Movement and Health Sciences, University of Rome "Foro Italico", Piazza L. De Bosis 15, 00135 Rome, Italy.
Sports (Basel, Switzerland)
|July 25, 2025
概括
在自由重量背中预测一次重复最大 (1RM) 是可能的,使用负载速度关系. 最佳的预测需要对男性和女性使用特定的最小速度值 (MVT),避免高速负载.
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:
- 一次重复最大值 (1RM) 是最大强度的一个关键指标.
- 预测1RM对于培训处方有价值,但传统测试可能耗时且有风险.
- 负载速度关系为1RM预测提供了一个潜在的替代方案.
研究的目的:
- 用负载-速度关系来预测自由重量背中的1RM.
- 调查不同最小速度值 (MVT) 对于1RM预测的有效性.
- 确定是否需要性别特定的MVT来准确预测1RM.
主要方法:
- 25名男性和25名女性完成了1RM自由重量背部坐测试.
- 根据1RM测试,建立了个别的负载速度关系.
- 开发了10个回归模型,使用两点和三点线性方程与不同的MVP (0.25,0.30,0.40 m·s-1).
主要成果:
- 精确的1RM预测在男性中使用0.30m·s-1.1的MVT实现.
- 精确的1RM预测在使用0.25m·s-1.1的MVT的女性中得到了实现.
- 0.30m·s-1的MVT低估了女性的1RM,0.40m·s-1低估了男性的1RM.
结论:
- 1RM可以使用负载-速度关系在自由重量背中准确预测.
- 性别特定的MVT (男性为0.30 m·s−1,女性为0.25 m·s−1) 提高了预测准确度.
- 对于最佳的1RM预测,回归模型应该排除超过1 m·s-1的负载.
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