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Title: Ten marathons in ten days: Effects on biochemical parameters and redox balance – case report
Authors: Pesic D.
Srejovic I.
Stefanovic D.
Djordjevic D.
Čubrilo D.
Zivkovic V.
Issue Date: 2019
Abstract: © 2019, University of Kragujevac, Faculty of Science. All rights reserved. Production of free radicals and oxidative damage during physical activity is a topic that is intensively studied and paid a lot of attention, first of all in professional sports. Marathon is categorized as extremely demanding sports discipline, as it induces high energy consumption and also requires special mental self-control. We presented cases of two athletes of different age, who have been on dissimilar level of sports readiness, and also had various approach to physical activity and exercise. During 10 days they ran out 10 marathons, partly on a flat terrain, and partly on hilly, which produced different level of effort in conquering the terrain. Also, both athletes had complex supplementation scheme in order to prevent electrolyte imbalance and excessive production of free radicals. Blood samples were taken in the morning and immediately after the end of the marathon. Measured oxidative stress biomarkers changed without a noticeable pattern, but these changes did not vary greatly among themselves. Catalase activity in both marathon runners was higher after marathon almost after every race for 10 days. On the other hand, amount of reduced glutathione was lower after marathon in both athletes in the same manner. Based on the obtained results we can conclude that adequate supplementation could have crucial role in prevention of oxidative damage.
Type: article
DOI: 10.2478/sjecr-2018-0060
ISSN: 1820-8665
SCOPUS: 2-s2.0-85078834652
Appears in Collections:Faculty of Medical Sciences, Kragujevac

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