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Acute responses of heat acclimatised cyclists to intermittent sprints in temperate and warm conditions

Finn, James P., Marsden, J. F. and Wood, Robert J. (2001). Acute responses of heat acclimatised cyclists to intermittent sprints in temperate and warm conditions. Journal of Thermal Biology,26(4):365-370.

Document type: Journal Article
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Title Acute responses of heat acclimatised cyclists to intermittent sprints in temperate and warm conditions
Author Finn, James P.
Marsden, J. F.
Wood, Robert J.
Journal Name Journal of Thermal Biology
Publication Date 2001
Volume Number 26
Issue Number 4
ISSN 0306-4565   (check CDU catalogue open catalogue search in new window)
Scopus ID 2-s2.0-0034875611
Start Page 365
End Page 370
Total Pages 6
Place of Publication Oxford, UK
Publisher Elsevier Science
HERDC Category C1 - Journal Article (DEST)
Abstract (1) This study describes the performance and the acute physiological responses of heat acclimatised cyclists during three sets of 5 x 20 s sprints followed by a final sprint to exhaustion in temperate (mean +/- standard deviation 20.2 +/-0.4 degreesC; 46 +/-2% humidity, 108.5 +/-1.4 kPa water vapour pressure) and in warm conditions (30.5 +/-0.4 degreesC; 47 +/- 10% humidity, 206.8 +/-6.4 kPa water vapour pressure). (2) Oxygen consumption was greater in the warm condition and there was no evidence of an increased reliance on anaerobic metabolism as has been reported for submaximal exercise in the heat. (3) Subjects lost 2.1 +/-0.2% of body mass in 53.8 +/-0.2 min during the warm condition. While the duration of the time to exhaustion final sprint was 50 +/- 13 s during the warm condition it was 60 +/-7 s for the temperate condition (p = 0.020). (C) 2001 Elsevier Science Ltd. All rights reserved.
Keywords intermittent exercise
thermal environment
performance
heat acclimatisation
high-intensity
exercise
performance
recovery
stress
DOI http://dx.doi.org/10.1016/S0306-4565(01)00045-6   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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