The Effect of Two Aerobic Intensities of Exercise on Free Radicals and Antioxidants Formation

This research reviews the role of free radicals in causing oxidative stress during exercise. Low and moderate intensities exercise induce oxidative stress, although there is no evidence that this affects sporting performance in the short term (14 min.). The effects of the two intensities of exercise on the blood antioxidant capacity and serum lipid peroxidation in 7 volunteers male athletes were tested. The results showed significant increased in malondialdehyde (MDA) level (as an index of lipid peroxidation) in subjects after first and second efforts of exercise in comparison with the control group. On the other hand, reduced form of glutathione (GSH) concentration and superoxide dismuatse activity (SOD) were decreased in the exercised experimental subjects under treatment compared to control values.

Abstract licence: CC BY

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