Hypotriglyceridemic Effect Of High-intensity Interval Aerobic Exercise

To examine the duration and the mechanism of the hypotriglyceridemic effect of a single bout of high-intensity interval aerobic exercise on VLDL-TG kinetics, 14 and 48 hours (h) after exercise cessation. Eight healthy sedentary men (VO2peak: 2.7+ or -0.4 L/min, BMI: 23.1+ or -2.2 kg/m2, age: 24+ or...

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Published in:Medicine and science in sports and exercise 2012-05, Vol.44 (5S), p.830-831
Main Authors: Sidossis, Labros S, Bellou, Elena, Maraki, Maria, Bouchalaki, Eirini, Kouka, Tonia, Sklaveniti, Dimitra, Kavouras, Stavros
Format: Article
Language:English
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Summary:To examine the duration and the mechanism of the hypotriglyceridemic effect of a single bout of high-intensity interval aerobic exercise on VLDL-TG kinetics, 14 and 48 hours (h) after exercise cessation. Eight healthy sedentary men (VO2peak: 2.7+ or -0.4 L/min, BMI: 23.1+ or -2.2 kg/m2, age: 24+ or -6 years) participated in three stable isotope-labeled tracer infusion studies, a) 14h after exercise (60 and 90% of peak oxygen consumption in 4 min intervals for a total of 32min (HIIE)), b) 48h after HIIE and c) control (REST), in a random order and after an overnight fast. The mean gross energy expenditure of the exercise bouts was 331+ or -47 kcal. VLDL-TG concentration was 22% lower at 14h (0.28+ or -0.13mmol/L p0.05) after HIIE compared to control (0.36+ or -0,16mmol/L). VLDL-TG clearance rate increased by 21% after 14h (35.38+ or -7.23 ml/min p0.05) of HIIE compared to control (29.19+ or -5.42 ml/min).
ISSN:0195-9131