title: Rating of Perceived Exertion and Physiological Responses in Water-Based Exercise.
abstract: The aim of the present study was to relate the overall rating of perceived exertion (RPE-overall) with cardiorespiratory and neuromuscular variables during stationary running with the elbow flexion/extension performed with water-floating equipment. The sample consisted of eleven women that performed the water-based exercise at submaximal cadences. The heart rate, oxygen uptake, ventilation, and electromyographic signal (EMG) from biceps brachii (%EMG BB), triceps brachii (%EMG TB), biceps femoris (%EMG BF) and rectus femoris (%EMG RF) muscles were measured during the exercise, and the overall RPE was measured immediately following its completion. The Pearson product-moment linear correlation was used to investigate associations between the variables analyzed in the present study. Significant relationships were observed between the RPE-overall and all the cardiorespiratory variables, with the r values ranging from 0.60 to 0.70 (p<0.05). In addition, the RPE-overall showed a significant (p<0.05) relationship with %EMG BB (r=0.55) and %EMG BF (r=0.50). These results suggest an association between the RPE-overall with all cardiorespiratory and two neuromuscular variables during the execution of a water-based aerobic exercise using water-floating equipment.
authors.affiliation: Physical Education School, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil; Physical Education School, Federal University of Pelotas (UFPel), Pelotas, RS, Brazil.
authors.forename: Stephanie Santana
authors.initials: SS
authors.lastname: Pinto
authors.affiliation: Physical Education School, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil; Physical Education School, Federal University of Pelotas (UFPel), Pelotas, RS, Brazil.
authors.forename: Cristine Lima
authors.initials: CL
authors.lastname: Alberton
authors.affiliation: Physical Education School, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.
authors.forename: Paula
authors.initials: P
authors.lastname: Zaffari
authors.affiliation: Physical Education School, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.
authors.forename: Eduardo Lusa
authors.initials: EL
authors.lastname: Cadore
authors.affiliation: Physical Education School, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.
authors.forename: Ana Carolina
authors.initials: AC
authors.lastname: Kanitz
authors.affiliation: Physical Education School, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.
authors.forename: Giane Veiga
authors.initials: GV
authors.lastname: Liedtke
authors.affiliation: Physical Education School, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil; School of Physical Education, Midwest State University of Parana, Guarapuava, Brazil.
authors.forename: Marcus Peikriszwili
authors.initials: MP
authors.lastname: Tartaruga
authors.affiliation: Physical Education School, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.
authors.forename: Luiz Fernando Martins
authors.initials: LF
authors.lastname: Kruel
keywords: aquatic exercise; electromyographic signal; floating equipment; heart rate; minute ventilation; oxygen uptake
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