Alsamir Tibana Ramires, Manuel Frade de Sousa Nuno, Prestes Jonato, da Cunha Nascimento Dahan, Ernesto Carlos, Falk Neto Joao Henrique, Kennedy Michael D, Azevedo Voltarelli Fabrício
Graduate Program in Health Sciences, Faculty of Medicine, Federal University of Mato Grosso (UFTM), Cuiabá 78000, MT, Brazil.
Laboratory of Exercise Physiology, Faculty Estacio of Vitoria, Vitoria 29010, ES, Brazil.
Sports (Basel). 2019 Jul 4;7(7):161. doi: 10.3390/sports7070161.
The purpose of this study was to assess whether the self-regulation of training intensity based on rating of perceived exertion (RPE) is a reliable method to control the intensity during metabolic conditioning sessions of functional fitness. In addition, the relationship between RPE and the changes in heart rate, number of repetitions, and lactate responses was also analyzed. Eight male participants (age 28.1 ± 5.4 years; body mass 77.2 ± 4.4 kg; VO max: 52.6 ± 4.6 mL·(kg·min) completed two sessions (five to seven days apart), in a randomized order, under different conditions, as follows: (1) all-out (ALL), or (2) self-regulation of intensity based on an RPE of six (hard) on the Borg CR-10 scale (RPE6). The rating of perceived exertion, lactate (LAC), and heart rate (HR) response were measured before, during, and immediately after the sessions. The RPE and LAC during the all-out sessions were higher ( < 0.0005) than the RPE6 session for all of the analyzed time points during the session. There was no difference in the HR area under the curve for the all-out and RPE6 sessions. The average number of repetitions performed was lower ( ≤ 0.009) for the RPE6 session (190.5 ± 12.5 repetitions) when compared to the all-out session (214.4 ± 18.6 repetitions). There was a significant correlation between the RPE and LAC ( = 0.005; r = 0.66; large) and number of repetitions during the session ( = 0.026; r = 0.55; large). No correlation was observed between the RPE and HR ( = 0.147; r = 0.380). These results indicate that the self-regulation of intensity of effort based on the RPE may be a useful tool to control the exercise intensity during a metabolic conditioning session of functional fitness.
本研究的目的是评估基于主观用力程度（RPE）的训练强度自我调节是否是在功能性健身代谢调节训练期间控制强度的可靠方法。此外，还分析了RPE与心率变化、重复次数和乳酸反应之间的关系。八名男性参与者（年龄28.1±5.4岁；体重77.2±4.4千克；最大摄氧量：52.6±4.6毫升·（千克·分钟））在不同条件下以随机顺序完成了两个训练课程（间隔五至七天），具体如下：（1）全力训练（ALL），或（2）基于Borg CR - 10量表上的6级（用力）主观用力程度（RPE6）进行强度自我调节。在训练前、训练期间和训练后立即测量主观用力程度、乳酸（LAC）和心率（HR）反应。在训练期间的所有分析时间点，全力训练课程中的RPE和LAC均高于RPE6课程（<0.0005）。全力训练和RPE6课程的心率曲线下面积没有差异。与全力训练课程（214.4±18.6次重复）相比，RPE6课程（190.5±12.5次重复）的平均重复次数更低（≤0.009）。训练期间RPE与LAC之间存在显著相关性（=0.005；r = 0.66；大）以及与重复次数之间存在显著相关性（=0.026；r = 0.55；大）。未观察到RPE与HR之间的相关性（=0.147；r = 0.380）。这些结果表明，基于RPE的用力强度自我调节可能是在功能性健身代谢调节训练期间控制运动强度的有用工具。
