Differentiated perceptions of exertion: part I. mode of integration of regional signals

The mode of sensory integration of differentiated perceptions of exertion from the legs and chest was determined during sub-maximal cycle ergometer exercise. 50 male subjects performed three separate cycle ergometer tests. Power output was held constant at 840 kpm/min., while pedalling rate was rand...

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Bibliographic Details
Published inPerceptual and motor skills Vol. 49; no. 3; p. 683
Main Authors Robertson, R J, Gillespie, R L, McCarthy, J, Rose, K D
Format Journal Article
LanguageEnglish
Published United States 01.12.1979
Subjects
Adult
Humans
Leg - physiology
Male
Muscles - physiology
Perception - physiology
Physical Exertion
Thorax - physiology
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Summary:The mode of sensory integration of differentiated perceptions of exertion from the legs and chest was determined during sub-maximal cycle ergometer exercise. 50 male subjects performed three separate cycle ergometer tests. Power output was held constant at 840 kpm/min., while pedalling rate was randomly set at 40, 60, or 80 rpm. The over-all rating of perceived exertion was significantly lower than the rating for the legs and higher than that for the chest at each pedalling rate. Local signals from the legs dominated the sensory process. Central signals were less pronounced. The mean of the ratings for the legs and chest was slightly but significantly higher than the over-all rating at each pedalling rate. Therefore, the integration process at the superordinate level of sensory processing appeared as a weighted average of the involved regional signals.
ISSN:0031-5125
DOI:10.2466/pms.1979.49.3.683