Helms Eric R, Brown Scott R, Cross Matt R, Storey Adam, Cronin John, Zourdos Michael C
1Sport Performance Research Institute New Zealand (SPRINZ), Auckland University of Technology, Auckland, New Zealand;2School of Exercise, Biomedical and Health Sciences, Edith Cowan University, Perth, Western Australia, Australia; and3Department of Exercise Science and Health Promotion, Muscle Physiology Laboratory, Florida Atlantic University, Boca Raton, Florida.
J Strength Cond Res. 2017 Oct;31(10):2938-2943. doi: 10.1519/JSC.0000000000002097.
This study assessed male (n = 9) and female (n = 3) powerlifters' (18-49 years) ability to select loads using the repetitions in reserve-based rating of perceived exertion (RPE) scale for a single set for squat, bench press, and deadlift. Subjects trained 3× per week. For 3 weeks on nonconsecutive days in the weekly order of hypertrophy (8 repetitions at 8 RPE), power (2 repetitions at 8 RPE), and strength (3 repetitions at 9 RPE), using subject-selected loads intended to match the target RPE. Bench press and squat were performed every session and deadlift during strength and power only. Mean absolute RPE differences (|reported RPE-target RPE|) ranged from 0.22-0.44, with a mean of 0.33 ± 0.28 RPE. There were no significant RPE differences within lifts between sessions for squat or deadlift. However, bench press was closer to the target RPE for strength (0.15 ± 0.42 RPE) vs. power (-0.21 ± 0.35 RPE, p = 0.05). There were no significant differences within session between lifts for power and strength. However, bench press was closer (0.14 ± 0.44 RPE) to the target RPE than squat (-0.19 ± 0.21 RPE) during hypertrophy (p = 0.02). Squat power was closer to the target RPE in week 3 (0.08 ± 0.29 RPE) vs. 1 (-0.46 ± 0.69 RPE, p = 0.03). It seems that powerlifters can accurately select loads to reach a prescribed RPE. However, accuracy for 8-repetition sets at 8 RPE may be better for bench press compared with squat. Rating squat power-type training may take 3 weeks to reach peak accuracy. Finally, bench press RPE accuracy seems better closer rather than further from failure (i.e., 3-repetition 9 RPE sets vs. 2-repetition 8 RPE sets).
本研究评估了男性（n = 9）和女性（n = 3）力量举运动员（18 - 49岁）在深蹲、卧推和硬拉单组训练中，使用基于预留重复次数的主观用力程度（RPE）量表来选择负荷的能力。受试者每周训练3次。连续3周，按照每周不同的训练顺序进行训练，分别为增肌（8次重复，RPE为8）、力量（2次重复，RPE为8）和力量训练（3次重复，RPE为9），使用受试者自行选择的负荷，旨在达到目标RPE。每次训练都进行卧推和深蹲，仅在力量和功率训练阶段进行硬拉。平均绝对RPE差异（|报告的RPE - 目标RPE|）范围为0.22 - 0.44，平均为0.33±0.28 RPE。深蹲或硬拉在各训练阶段内的RPE差异不显著。然而，卧推在力量训练时更接近目标RPE（0.15±0.42 RPE），而在功率训练时则偏离目标RPE（-0.21±0.35 RPE，p = 0.05）。在功率和力量训练阶段，各训练动作之间的RPE差异不显著。然而，在增肌训练阶段，卧推比深蹲更接近目标RPE（0.14±0.44 RPE对比-0.19±0.21 RPE，p = 0.02）。深蹲的功率在第3周比第1周更接近目标RPE（0.08±0.29 RPE对比-0.46±0.69 RPE，p = 0.03）。力量举运动员似乎能够准确选择负荷以达到规定的RPE。然而，与深蹲相比，在8次重复、RPE为8的训练组中，卧推的准确性可能更好。评定深蹲功率型训练可能需要3周才能达到最高准确性。最后，卧推的RPE准确性似乎在接近而不是远离疲劳极限时更好（即3次重复、RPE为9的训练组对比2次重复、RPE为8的训练组）。
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