Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
ISSN: 1303 - 2968   
Ios-APP Journal of Sports Science and Medicine
Androit-APP Journal of Sports Science and Medicine
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©Journal of Sports Science and Medicine ( 2019 ) 18 , 695 - 707

Research article
Concurrent and Construct Validation of a Scale for Rating Perceived Exertion in Aquatic Cycling for Young Men
Juan C. Colado1, , Roxana M. Brasil1,2
Author Information
1 Research Unit in Sport and Health, Research Group in Prevention and Health in Exercise and Sport, University of Valencia, Spain
2 Celso Lisboa University, Rio de Janeiro, Brazil

Juan C. Colado
✉ Department of Physical Education and Sports, Faculty of Science of Physical Activity and Sport (FCAFE), University of Valencia, Gasco Oliag street 3, 46010 Valencia, Spain
Email: juan.colado@uv.es
Publish Date
Received: 19-06-2019
Accepted: 17-09-2019
Published (online): 01-12-2019
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ABSTRACT

Aquatic cycling is a program of physical exercises performed with immersed stationary bikes. Few studies have provided evidence about the intensity control during its practice. Therefore, the primary aim of this study was to examine the concurrent and construct validity of a new scale for rating perceived exertion (RPE) during aquatic cycling in young men. Thirty physically active, healthy young men performed a load-incremented aquatic cycle ergometer protocol. Concurrent validity was established by correlating the Aquatic Cycling Scale (ACS) with oxygen uptake, pulmonary ventilation (VE), heart rate (HR), and blood lactate concentration (BL) responses to the maximal load-incremental test. Construct validity was established by correlating RPE derived from the Aquatic Cycling Scale (0–10) from the Borg Scale (6–20). RPE-overall, maximal oxygen uptake (VO2max), oxygen uptake indexed to body weight (VO2), VE, HR, and BL were measured during each exercise stage. The range of exercise responses across the incremental test were VO2max = 1.07–3.55 L/min, VO2 = 14.26–46.89 ml/Kg/min, VE = 23.17–138.57 L/min, HR = 99.54–173.31 beats/min, BL= 1.18–11.63 mM, ACS RPE-overall = 1.11–9.33. Correlation/regression analyses showed ACS RPE as a positive linear function of VO2max (r = 0.78; p < 0.05), VO2 (r = 0.87; p < 0.05), VE (r = 0.86; p < 0.05), HR (r = 0.77; p < 0.05), and BL (r = 0.85; p < 0.05). RPE-ACS distributed as a positive linear function of the RPE-Borg Scale (r = 0.97; p < 0.05). ANOVA indicated that an incremental pedalling cadence of 15 revolutions per minute (rpm) provoked significant differences (p < 0.05) regarding previous stages in the majority of the variables analysed. The Aquatic Cycling Scale is an appropriate tool for monitoring exertion intensity during aquatic cycling in fit men. A brief increment in aquatic pedalling cadence of 15 rpm increases the intensity of the aquatic pedalling exercise.

Key words: Perceived effort, intensity monitoring, maximum oxygen consumption, pulmonary ventilation, heart rate, blood lactate


           Key Points
  • Aquatic Cycling Scale (ACS) is a low-cost instrument with good visualization and fast applicability.
  • ACS can be recommend for use in aquatic cycling by the professional providers of physical and rehabilitation exercises.
  • ACS is an easy monitoring tool for exercise testing and self-regulation intensity.
  • ACS could contribute to the efficacy, safety, and quality in the prescription of different long-term training programs.
 
 
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