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.
Highlights
IntroductionThe intensity of water-based exercises may be manipulated by the use of different body shapes in the water (i.e., different exercises) and performing exercises using aquatic devices designed to take advantage of physical properties of water (i.e., drag and lift forces)
The intensity of water-based exercises may be manipulated by the use of different body shapes in the water and performing exercises using aquatic devices designed to take advantage of physical properties of water
The purpose of the present study was to relate the RPE-overall with cardiorespiratory and neuromuscular variables during stationary running with elbow flexion/extension performed with water-floating equipment
Summary
The intensity of water-based exercises may be manipulated by the use of different body shapes in the water (i.e., different exercises) and performing exercises using aquatic devices designed to take advantage of physical properties of water (i.e., drag and lift forces). The findings of most of these studies showed that the use of aquatic devices during performance of water-based exercises results in an increase in physiological responses when submaximal intensities (controlled cadences) are employed. 3 - School of Physical Education, Midwest State University of Parana, Guarapuava, Brazil. Authors submitted their contribution to the article to the editorial board. Accepted for printing in the Journal of Human Kinetics vol 49/2015 in December 2015
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