Document Detail

Effect of exercise timing on postprandial lipemia and HDL cholesterol subfractions.
MedLine Citation:
PMID:  9760349     Owner:  NLM     Status:  MEDLINE    
The purpose of the study was to examine the effect of exercise timing on postprandial lipemia responses. Subjects were 21 recreationally trained men (ages 27 +/- 1.7 yr). Each subject performed four trials: 1) Control (fat meal only), 2) Post (exercise 1 h after a fat meal), 3) 1 h-Pre (exercise 1 h before a fat meal), and 4) 12 h-Pre (exercise 12 h before a fat meal). In each trial, subjects had a standard fat meal to induce postprandial hypertriglyceridemia. Blood samples were taken at 0 h (immediately before the fat meal) and at 2, 4, 6, 8, and 24 h after the meal. In the exercise trials, each subject exercised at 60% of maximal O2 consumption for 1 h. The results indicated that triglyceride area under the curve scores in premeal-exercise trials were lower (P < 0. 05) than those in Post and Control. At 24 h, total high-density lipoprotein (HDL)-cholesterol in the premeal-exercise trials was higher (P < 0.05) than that at 0 h, whereas total HDL-cholesterol was not changed in Control and Post. At 24 h, HDL subtype 2-cholesterol was higher (P < 0.05) in the premeal-exercise trials than in Control, which did not differ from Post. These results suggest that exercising before a fat meal may have a beneficial effect on the triglyceride response and HDL metabolism, which may blunt atherosclerotic process induced by the fat meal.
J Q Zhang; T R Thomas; S D Ball
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of applied physiology (Bethesda, Md. : 1985)     Volume:  85     ISSN:  8750-7587     ISO Abbreviation:  J. Appl. Physiol.     Publication Date:  1998 Oct 
Date Detail:
Created Date:  1998-11-20     Completed Date:  1998-11-20     Revised Date:  2013-09-26    
Medline Journal Info:
Nlm Unique ID:  8502536     Medline TA:  J Appl Physiol (1985)     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1516-22     Citation Subset:  IM    
Exercise Physiology Laboratory, Department of Food Science and Human Nutrition, University of Missouri-Columbia, Columbia, Missouri 65212, USA.
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MeSH Terms
Cholesterol, HDL / blood*
Dietary Fats
Exercise / physiology*
Fatty Acids, Nonesterified / blood
Lipids / blood*
Oxygen Consumption
Physical Endurance / physiology*
Postprandial Period / physiology*
Time Factors
Triglycerides / blood
Reg. No./Substance:
0/Cholesterol, HDL; 0/Dietary Fats; 0/Fatty Acids, Nonesterified; 0/Lipids; 0/Triglycerides

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