没有失败:肌肉适应在单组阻力训练中,以失败或备份重复进行
Thomas Hermann1, Adam E Mohan1, Alysson Enes
1Department of Exercise Science and Recreation, Applied Muscle Development Lab, CUNY Lehman College, Bronx, NY.
Medicine and science in sports and exercise
|April 18, 2025
概括
训练到失败 (FAIL) 或在单组阻力训练中使用两次备用重复 (2-RIR) 两者都提高了产量. 训练到失败可能会略微改善肌肉缩和功率,但不是强度或耐力.
科学领域:
- 运动生理学 运动生理学
- 运动科学 运动科学 运动科学
- 人类表现的人类表现.
背景情况:
- 抵抗训练的体积和强度是肌肉适应的关键决定因素.
- 最佳的训练强度,特别是关于接近肌肉衰竭,仍然是正在进行的研究的主题.
- 单组协议越来越多地被探索,因为它们在实现肌肉适应方面具有时间效率.
研究的目的:
- 为了比较训练对肌肉衰竭的影响与训练有两次重复储备对抵抗训练个体的肌肉适应的影响.
- 研究这些训练方案对肌肉缩,力量,功率和耐力的影响.
- 评估参与者准确估计储备中的重复 (RIR) 的能力.
主要方法:
- 42名经过抵抗训练的参与者被随机分配到训练到失败 (FAIL) 组或储备 (2-RIR) 组中的2次重复.
- 两组都进行了一套单一的9项针对主要肌肉群的炼,每周两次,持续8周.
- 肌肉厚度,强度,功率,耐力和RIR估计准确度在干预前和后被测量.
主要成果:
- 无论是FAIL还是2-RIR协议,在大多数评估结果中都取得了显著的改善.
- 肌肉缩的测量结果显示,有轻微的趋势有利于失败组,尽管差异很小.
- 在FAIL和2-RIR组之间,力量和局部肌肉耐力增长是可比的. 输出功率,特别是反运动跳跃高度,倾向于有利于失败组.
- 参与者提高了他们估计RIR的能力,在板压力练习中观察到的准确性更高.
结论:
- 单组阻力训练程序是有效的诱导肌肉适应训练的个体,提供一个时间效率的方法.
- 与2-RIR相比,训练到失败可能会为肌肉缩和力量提供边际益处,但在力量或耐力方面似乎没有优势.
- 准确的RIR估计可以在8周的培训干预中学习和改进,特别是对于长椅压力.
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