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| Research article summary (published 30 May 2002): |
Competition between internal and external sources of information during exercise: influence on RPE and the impact of the exercise load.
Full Abstract
BACKGROUND:
The purpose of this study was to investigate the influence of the exercise setting on perceived exertion during sustained low and high intensity cycling exercise.
METHODS:
Thirteen untrained males completed 4 15-min cycling sessions at 50% VO(2peak) and at 80% VO(2peak) under each of the following conditions:
control, sensory deprived, video, and music. Ratings of perceived exertion (RPE) from Borg's 6-20 scale and heart rate (HR) were recorded at 5 min intervals during all sessions.
RESULTS:
RPE increased with exercise duration at both intensities and, as expected, was substantially higher at the harder workload. Exercising to music resulted in significantly lower RPE when compared to all other conditions at both the low and high workloads, while RPE was higher in the sensory deprived condition when compared to the other 3 conditions. However, RPE was similar for the control and video conditions at both workloads. A significant ordinal interaction existed between conditions and exercise duration during the low but not the high workload. While HR was higher for the harder workload and increased during each workload as a function of exercise duration, it was not different among the 4 conditions at either workload.
CONCLUSIONS:
Varying the type of sensory information available to the exercising individual did influence perceptual responses to the exercise with the degree of influence dependent on the intensity and duration of the exercise. These results are consistent with information processing models that suggest a limited capacity to attend to the information available. The type of information available, the work intensity, and the work duration were important elements influencing perceptual responses to exercise.
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Author information
Author/s: Nethery, V M (VM);
Affiliation: Exercise Science Laboratory, Department of Physical Education, Health, and Leisure Services, Central Washington University, Ellensburg, WA 98926, USA. netheryv(-atsign-)cwu.edu
Journal and publication information
Publication Type: Journal Article
Journal: The Journal of sports medicine and physical fitness (J Sports Med Phys Fitness), published in Italy. (Language: eng)
Reference: 2002-Jun; vol 42 (issue 2) : pp 172-8
Dates: Created 2002/05/28; Completed 2002/10/16; Revised 2004/11/17;
PMID: 12032412, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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