Regular exercise can reduce the risk of CVD (cardiovascular disease). Although moderate-intensity exercise can attenuate postprandial TAG (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 min of brisk walking on postprandial TAG, soluble adhesion molecules and markers of oxidative stress. Nine men each completed three 2-day trials. On day 1, subjects rested (control), walked briskly for 30 min (walking) or performed 5×30 s maximal sprints (high-intensity). On day 2, subjects consumed a high-fat meal for breakfast and 3 h later for lunch. Blood samples were taken at various times and analysed for TAG, glucose, insulin, ICAM-1 (intracellular adhesion molecule-1), VCAM-1 (vascular adhesion molecule-1), TBARS (thiobarbituric acid- reactive substances), protein carbonyls and β-hydroxybutyrate. On day 2 of the high-intensity trial, there was a lower (P<0.05) incremental TAG AUC (area under the curve; 6.42±2.24 mmol/l per 7 h) compared with the control trial (9.68±4.77 mmol/l per 7 h) with no differences during day 2 of the walking trial (8.98±2.84 mmol/l per 7 h). A trend (P=0.056) for a reduced total TAG AUC was also seen during the high-intensity trial (14.13±2.83 mmol/l per 7 h) compared with control (17.18±3.92 mmol/l per 7 h), walking showed no difference (16.33±3.51 mmol/l per 7 h). On day 2 of the high-intensity trial plasma TBARS and protein carbonyls were also reduced (P<0.05) when compared with the control and walking trials. In conclusion, high-intensity intermittent exercise attenuates postprandial TAG and markers of oxidative stress after the consumption of a high-fat meal.
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Research Article|
May 16 2012
High-intensity exercise attenuates postprandial lipaemia and markers of oxidative stress
Brendan Gabriel;
Brendan Gabriel
1Institute of Medical Sciences, University of Aberdeen, Aberdeen AB25 2ZD, U.K.
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Aivaras Ratkevicius;
Aivaras Ratkevicius
1Institute of Medical Sciences, University of Aberdeen, Aberdeen AB25 2ZD, U.K.
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Patrick Gray;
Patrick Gray
1Institute of Medical Sciences, University of Aberdeen, Aberdeen AB25 2ZD, U.K.
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Michael P. Frenneaux;
Michael P. Frenneaux
1Institute of Medical Sciences, University of Aberdeen, Aberdeen AB25 2ZD, U.K.
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Stuart R. Gray
1Institute of Medical Sciences, University of Aberdeen, Aberdeen AB25 2ZD, U.K.
Correspondence: Dr Stuart R. Gray (email [email protected]).
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Publisher: Portland Press Ltd
Received:
November 24 2011
Revision Received:
February 20 2012
Accepted:
March 21 2012
Accepted Manuscript online:
March 21 2012
Online ISSN: 1470-8736
Print ISSN: 0143-5221
© The Authors Journal compilation © 2012 Biochemical Society
2012
Clin Sci (Lond) (2012) 123 (5): 313–321.
Article history
Received:
November 24 2011
Revision Received:
February 20 2012
Accepted:
March 21 2012
Accepted Manuscript online:
March 21 2012
Citation
Brendan Gabriel, Aivaras Ratkevicius, Patrick Gray, Michael P. Frenneaux, Stuart R. Gray; High-intensity exercise attenuates postprandial lipaemia and markers of oxidative stress. Clin Sci (Lond) 1 September 2012; 123 (5): 313–321. doi: https://doi.org/10.1042/CS20110600
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