Effects of exercise at different times on postprandial lipemia and endothelial function

Medicine and Science in Sports and Exercise
Ricardo SilvestreJeff S Volek

Abstract

The purpose of this study was to examine the effects of previous exercise on metabolic, hormonal, and endothelial responses to an oral fat-tolerance test (OFTT). Twelve healthy, recreationally trained men (age = 22.3 +/- 2.5 yr, weight = 80.7 +/- 12.4 kg, BMI = 25.1 +/- 3.1 kg.m(-2)) volunteered for this study. In a crossover fashion, subjects completed three OFTT trials that involved no exercise (NoEx) or exercise performed 16 h (EX-16) or 4 h (EX-4) before the ingestion of a meal (13 kcal.kg(-1) and 1.4 g of fat per kilogram of body weight). Blood was collected before and after the meal and hourly for 6 h. Brachial artery reactivity was measured using ultrasound before and at 2, 4, and 6 h after the meal. Dietary intake and exercise were standardized 4 d before the OFTT. The exercise session consisted of six resistance exercises and 30 min of running on a treadmill. The washout period between trials was, on average, 5 d. Compared with NoEx, there were significant (P < 0.05) decreases in triglyceride area under the curve (AUC) during EX-16 (-26%) and EX-4 (-15%). Compared with NoEx, there were decreases in insulin AUC during EX-16 (-7%, P < 0.05) and EX-4 (-5%, NS). EX-4 resulted in a significantly larger fasting arterial diam...Continue Reading

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Citations

Jul 26, 2014·Journal of Nutrition and Metabolism·Eric P Plaisance, Gordon Fisher
Apr 13, 2013·Sports Medicine·Maria I Maraki, Labros S Sidossis
May 12, 2010·International Journal of Clinical Practice·J P WallaceK Mather
May 10, 2017·Journal of Strength and Conditioning Research·Juliano B FarinhaAlvaro Reischak-Oliveira
Mar 20, 2018·Medicine and Science in Sports and Exercise·Chia-Lun LeeChing-Feng Cheng
Jun 27, 2008·Medicine and Science in Sports and Exercise·Stephen F Burns
Feb 15, 2019·Journal of Applied Physiology·John D AkinsEdward F Coyle
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Sep 11, 2010·Current Opinion in Clinical Nutrition and Metabolic Care·Maria Maraki, Labros S Sidossis
Nov 10, 2013·Journal of Applied Physiology·Eric C FreeseKirk J Cureton
Mar 13, 2013·Journal of Strength and Conditioning Research·Brett A ComstockWilliam J Kraemer
Sep 17, 2020·Medicine and Science in Sports and Exercise·Anthony S WolfeEdward F Coyle
Aug 17, 2021·Medicine and Science in Sports and Exercise·Heath M BurtonEdward F Coyle

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