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High intensity exercise attenuates postprandial lipaemia and markers of oxidative stress.
MedLine Citation:
PMID:  22435779     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Regular exercise can reduce the risk of cardiovascular disease. Although moderate intensity exercise can attenuate post-prandial triacylglycerol, high-intensity intermittent exercise might be a more effective method to improve health. We compared the effects of high-intensity intermittent exercise and 30 mins of brisk walking on postprandial triacylglycerol, soluble adhesion molecules and markers of oxidative stress. Nine men each completed three two day trials. On day 1: subjects rested (Control), walked briskly for 30 mins (Walking) or performed 5 x 30 sec maximal sprints (High Intensity). On day 2 subjects consumed a high fat meal for breakfast and 3h later for lunch. Blood samples were taken at various times and analyzed for triacylglycerol, glucose, insulin, ICAM-1,VCAM-1, TBARS, protein-carbonyls and β-hydroxybutyrate. On day 2 of the high intensity trial there was a lower (P<0.05) incremental triacylglycerol area under the curve (AUC) (6.42±2.24 mmol/l/7h) compared to the control trial (9.68±4.77 mmol/l/7h) with no differences during day 2 of the walking trial (8.98±2.84 mmol/l/7h). A trend (P=0.056) for a reduced total triacylglycerol AUC was also seen during the high intensity trial (14.13±2.83 mmol/l/7h) compared to control (17.18±3.92 mmol/l/7h), walking showed no difference (16.333.51 mmol/l/7h). On day 2 of the high intensity trial plasma TBARS and protein carbonyls were also reduced (P<0.05) when compared to the control and walking trials. High intensity intermittent exercise attenuates postprandial triacylglycerol and markers of oxidative stress after the consumption of a high fat meal.
Authors:
Brendan Gabriel; Aivaras Ratkevicius; Patrick Gray; Michael Frenneaux; Stuart Robert Gray
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-21
Journal Detail:
Title:  Clinical science (London, England : 1979)     Volume:  -     ISSN:  1470-8736     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-3-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7905731     Medline TA:  Clin Sci (Lond)     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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