Validity of using perceived exertion to assess muscle fatigue during bench press exercise

IF 0.6 4区医学 Q4 ENGINEERING, BIOMEDICAL Isokinetics and Exercise Science Pub Date : 2023-08-21 DOI:10.3233/ies-230048

Hanye Zhao, Dasom Seo, Junichi Okada

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Abstract

BACKGROUND: Muscle fatigue is nearly unavoidable during resistance exercise, yet evaluating it in such circumstances can be challenging. OBJECTIVE: This study aimed to evaluate the validity of using the rating of perceived exertion (RPE) as a measure of muscle fatigue during non-explosive bench press (BP) exercise. METHODS: Fifteen male collegiate athletes participated in three BP tasks set at 65% of their one-repetition maximum. The RPE, spectral fatigue index (SFI), and velocity loss were measured across different experimental conditions. RESULTS: Significant effects were observed across different experimental conditions for the overall RPE, average velocity loss, and average SFI (all p< 0.001). As the lifting tasks progressed, there were significant increases in the RPE, velocity loss, and SFI (p< 0.001). Additionally, significant differences were observed between the experimental conditions in the RPE (p< 0.001), SFI (p< 0.001), and velocity loss (p< 0.01). A significantly stronger (p< 0.05) correlation was observed between the RPE and SFI (r= 0.68, df= 117, p< 0.001) than between the velocity loss and SFI (r= 0.51, df= 117, p< 0.001). CONCLUSIONS: The corresponding changes observed in the RPE, velocity loss, and SFI suggest that both the RPE and velocity loss can be used as indicators of muscle fatigue during non-explosive BP exercise. However, due to the strong correlation between the RPE and SFI, RPE is more effective for reflecting muscle fatigue in non-explosive resistance exercise settings. Regarding ease of use, the RPE is more suitable than velocity loss for assessing muscle fatigue in training scenarios.

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在卧推运动中使用感知用力来评估肌肉疲劳的有效性

背景：在阻力运动中，肌肉疲劳几乎是不可避免的，但在这种情况下评估它可能具有挑战性。目的：本研究旨在评估在非爆炸性卧推（BP）运动中使用感觉用力（RPE）评分作为肌肉疲劳测量的有效性。方法：15名男大学生运动员参加了三项BP任务，设定为一次重复次数最大值的65%。在不同的实验条件下测量了RPE、光谱疲劳指数（SFI）和速度损失。结果：在不同的实验条件下，观察到整体RPE、平均速度损失和平均SFI的显著影响（均<0.001）。随着提升任务的进行，RPE、速度损失和SFI显著增加（p<0.001）。此外，RPE和SFI之间的相关性（r=0.68，df=117，p<0.001）显著强于速度损失和SFI（r=0.51，df=1117，p<0.001），SFI表明RPE和速度损失都可以作为非爆炸性BP运动中肌肉疲劳的指标。然而，由于RPE和SFI之间的强相关性，RPE在非爆炸性阻力运动环境中更有效地反映肌肉疲劳。关于易用性，RPE比速度损失更适合在训练场景中评估肌肉疲劳。

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来源期刊

Isokinetics and Exercise Science 医学-工程：生物医学

CiteScore

1.20

自引率

14.30%

发文量

审稿时长

>12 weeks

期刊介绍： Isokinetics and Exercise Science (IES) is an international journal devoted to the study of theoretical and applied aspects of human muscle performance. Since isokinetic dynamometry constitutes the major tool in this area, the journal takes a particular interest in exploring the considerable potential of this technology. IES publishes studies associated with the methodology of muscle performance especially with respect to the issues of reproducibility and validity of testing, description of normal and pathological mechanical parameters which are derivable from muscle testing, applications in basic research topics such as motor learning paradigms and electromyography. The journal also publishes studies on applications in clinical settings and technical aspects of the various measurement systems employed in human muscle performance research. The journal welcomes submissions in the form of research papers, reviews, case studies and technical reports from professionals in the fields of sports medicine, orthopaedic and neurological rehabilitation and exercise physiology.