Document Detail


Incremental exercise tests in master athletes and untrained older adults.
MedLine Citation:
PMID:  16192653     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
This study aimed to analyze the impact of step-duration protocols, 1-min vs. 3-min, on cardiorespiratory responses to exercise, whatever the aerobic-fitness level of sedentary (65.5 +/- 2.3 years, n = 8) or highly fit (63.1 +/- 3.2 years, n = 19) participants. Heart rate and VO2 at the first and second ventilatory thresholds (VT1 ,VT2) and maximal exercise were not significantly different between the two protocols. In master athletes, the 3-min protocol elicited significantly lower ventilation at VT2 and maximal exercise (p < .01). In the latter, breathlessness was also lower at maximal exercise (p < .05) than in sedentary participants. In trained or sedentary older adults, VT1, VT2, and were not influenced by stage duration. According to the lower breathlessness and ventilation, however, the 3-min step protocol could be more appropriate in master athletes. In untrained participants, because the cardiorespiratory responses were similar with the two incremental exercise tests, either of them could be used.
Authors:
Fabien Deruelle; Cédric Nourry; Patrick Mucci; Frédéric Bart; Jean-Marie Grosbois; Ghislane Lensel; Claudine Fabre
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Journal of aging and physical activity     Volume:  13     ISSN:  1063-8652     ISO Abbreviation:  J Aging Phys Act     Publication Date:  2005 Jul 
Date Detail:
Created Date:  2005-09-29     Completed Date:  2005-11-10     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9415639     Medline TA:  J Aging Phys Act     Country:  United States    
Other Details:
Languages:  eng     Pagination:  254-65     Citation Subset:  IM    
Affiliation:
Faculty of Sport and Physical Education Sciences, University of Lille, Ronchin, France.
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MeSH Terms
Descriptor/Qualifier:
Aged
Anaerobic Threshold / physiology*
Analysis of Variance
Exercise Test / methods*
Heart Rate / physiology
Humans
Male
Middle Aged
Oxygen Consumption / physiology
Physical Endurance / physiology*
Pulmonary Gas Exchange
Spirometry

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


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