University of Worcester Worcester Research and Publications

Low Volume–high Intensity Interval Exercise Elicits Antioxidant and Anti-inflammatory Effects in Humans

Wadley, Alex, Chen, Y.W., Lip, G.Y.H., Fisher, J.P. and Aldred, S. (2016) Low Volume–high Intensity Interval Exercise Elicits Antioxidant and Anti-inflammatory Effects in Humans. Journal of Sports Sciences, 34 (1). pp. 1-9. ISSN Print: 0264-0414 Online: 1466-447X

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The purpose of the present study was to compare acute changes in oxidative stress and inflammation in response to steady state and low volume, high intensity interval exercise (LV-HIIE). Untrained healthy males (n = 10, mean ± s: age 22 ± 3 years; VO2MAX 42.7 ± 5.0 ml · kg−1 · min−1) undertook three exercise bouts: a bout of LV-HIIE (10 × 1 min 90% VO2MAX intervals) and two energy-matched steady-state cycling bouts at a moderate (60% VO2MAX; 27 min, MOD) and high (80% VO2MAX; 20 min, HIGH) intensity on separate days. Markers of oxidative stress, inflammation and physiological stress were assessed before, at the end of exercise and 30 min post-exercise (post+30). At the end of all exercise bouts, significant changes in lipid hydroperoxides (LOOH) and protein carbonyls (PCs) (LOOH (nM): MOD +0.36; HIGH +3.09; LV-HIIE +5.51 and PC (nmol · mg−1 protein): MOD −0.24; HIGH −0.11; LV-HIIE −0.37) were observed. Total antioxidant capacity (TAC) increased post+30, relative to the end of all exercise bouts (TAC (µM): MOD +189; HIGH +135; LV-HIIE +102). Interleukin (IL)-6 and IL-10 increased post+30 in HIGH and LV-HIIE only (P < 0.05). HIGH caused the greatest lymphocytosis, adrenaline and cardiovascular response (P < 0.05). At a reduced energy cost and physiological stress, LV-HIIE elicited similar cytokine and oxidative stress responses to HIGH.

Item Type: Article
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Uncontrolled Discrete Keywords: reactive oxygen species, cytokine, lipid oxidation, protein oxidation, antioxidant
Subjects: Q Science > QP Physiology
Divisions: College of Health, Life and Environmental Sciences > School of Science and the Environment
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Depositing User: Alex Wadley
Date Deposited: 10 Jun 2019 17:51
Last Modified: 17 Jun 2020 17:30

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