Document Detail

The validation of backward extrapolation of submaximal oxygen consumption from the oxygen recovery curve.
MedLine Citation:
PMID:  1748104     Owner:  NLM     Status:  MEDLINE    
The purpose of this study was to determine the validity and practicality of exponential vs linear backward extrapolation of the O2 recovery curve for prediction of exercise oxygen consumption (VO2). Eight men and women, age 20.1, 0.9 years, body mass 66.0, 2.5 kg (mean, SEM), completed seven bouts of cycle ergometer exercise at submaximal power outputs ranging from 50 to 175 W. Respiratory gases were collected from each subject during exercise and recovery. The monoexponential extrapolation of five recovery samples (r2 = 0.85) and linear extrapolation of one recovery sample taken during the first 20-s of recovery (r2 = 0.83) accounted for similar amounts of variance in predicting exercise VO2. The linear regression equation was the most practical predictor, as only one recovery gas sample was necessary and it did not require the complicated mathematical techniques used in exponential regression.
G Sleivert; L T Mackinnon
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  European journal of applied physiology and occupational physiology     Volume:  63     ISSN:  0301-5548     ISO Abbreviation:  Eur J Appl Physiol Occup Physiol     Publication Date:  1991  
Date Detail:
Created Date:  1992-01-17     Completed Date:  1992-01-17     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0410266     Medline TA:  Eur J Appl Physiol Occup Physiol     Country:  GERMANY    
Other Details:
Languages:  eng     Pagination:  135-9     Citation Subset:  IM    
Department of Human Movement Studies, University of Queensland, St. Lucia, Qld, Australia.
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MeSH Terms
Blood Gas Analysis
Models, Biological
Oxygen / blood*
Oxygen Consumption / physiology*
Reference Standards
Regression Analysis
Reg. No./Substance:

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