Document Detail


The validity of regulating exercise intensity by ratings of perceived exertion.
MedLine Citation:
PMID:  1549002     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The purpose of this investigation was to examine the regulation of exercise intensity by using Ratings of Perceived Exertion (RPE). The RPE equivalent to 50% and 70% VO2max was estimated by using standard clinical protocols on a treadmill and cycle ergometer. Subjects then produced the target RPEs on these modalities. Physiological validity of perceptually regulated exercise intensity was determined by comparing VO2 and heart rate between estimation and production trials at the same relative intensity. With one exception, RPE was found to be a valid means of regulating exercise intensity both intra- and intermodally at 50% and 70% VO2max. Perceptual regulation of intramodal treadmill exercise was not valid at 70% VO2max in that both VO2 and heart rate were significantly lower during production than estimation. The present results also indicate that target RPE estimated during a cycle ergometer graded exercise test is more accurate for regulating exercise intensity than when the target RPE is estimated during a treadmill test. The lower accuracy found for treadmill production at the higher exercise intensity may have been caused by the use of a test protocol during the estimation trial that included relatively slow speeds and large inclines. In general, RPE provide a physiologically valid method of regulating exercise intensity.
Authors:
C C Dunbar; R J Robertson; R Baun; M F Blandin; K Metz; R Burdett; F L Goss
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Medicine and science in sports and exercise     Volume:  24     ISSN:  0195-9131     ISO Abbreviation:  Med Sci Sports Exerc     Publication Date:  1992 Jan 
Date Detail:
Created Date:  1992-04-23     Completed Date:  1992-04-23     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  8005433     Medline TA:  Med Sci Sports Exerc     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  94-9     Citation Subset:  IM; S    
Affiliation:
Department of Health, Physical, and Recreation Education, University of Pittsburgh, PA 15261.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Clinical Protocols
Exercise / physiology*
Exercise Test
Heart Rate
Humans
Male
Oxygen Consumption
Physical Education and Training
Physical Exertion / physiology*
Psychophysics

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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