Document Detail

Failure to find increased TEM at rest and during exercise in aerobically trained and resistance trained subjects.
MedLine Citation:
PMID:  8499938     Owner:  NLM     Status:  MEDLINE    
This study examined the metabolic response to a 763-kcal mixed meal at rest and during 30 min of exercise at 50% maximal oxygen consumption (VO2max) in 8 aerobically trained (AT), 8 resistance trained (RT), and 8 untrained (UT) subjects. Oxygen consumption (VO2) was measured minute by minute during 30 min of exercise by indirect calorimetry on 2 nonconsecutive days (postabsorptive exercise, PA; and postprandial exercise, PP). Total VO2 consumed and total caloric expenditure during the PA and PP conditions were similar for the three groups, indicating that prior food intake did not affect energy expenditure during exercise. Consequently, TEM during exercise did not differ significantly among the groups. Respiratory exchange ratio (R) differed significantly only during the PA condition, with the AT group exhibiting significantly lower R values compared to the RT group, and significantly lower R values compared to the UT group. These data suggest that the consumption of a meal 30 min prior to exercise does not increase TEM during exercise in AT, RT, and UT subjects.
J A Gilbert; J E Misner
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  International journal of sport nutrition     Volume:  3     ISSN:  1050-1606     ISO Abbreviation:  Int J Sport Nutr     Publication Date:  1993 Mar 
Date Detail:
Created Date:  1993-06-29     Completed Date:  1993-06-29     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9307702     Medline TA:  Int J Sport Nutr     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  55-66     Citation Subset:  IM    
Physical Education Dept., California State University, San Bernardino 92407.
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MeSH Terms
Basal Metabolism
Body Temperature Regulation*
Calorimetry, Indirect
Energy Metabolism
Exercise / physiology*
Oxygen Consumption

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