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A Journal on Applied Physiology, Biomechanics, Preventive Medicine,
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The Journal of Sports Medicine and Physical Fitness 2016 Sep 22

language: English

The acute effects of interval exercise on oxidative stress and antioxidant status in volleyball players

Ramazan KOCABAŞ 1, Emine S. NAMIDURU 2, Adnan M. BAGÇECI 3, Ali K. ERENLER 4, Önder KARAKOÇ 3, Mustafa ÖRKMEZ 5, Müslüm AKAN 2, Hacı K. ERDEMLI 6, Seyithan TAYSI 2, Mehmet TARAKÇIOGLU 2

1 Faculty of Medicine, Department of Clinical Biochemistry, Hitit University, Çorum, Turkey; 2 Faculty of Medicine, Department of Biochemistry, University of Gaziantep, Gaziantep, Turkey; 3 School of Physical Education and Sports, University of Gaziantep, Gaziantep, Turkey; 4 Faculty of Medicine, Department of Emergency Medicine, Hitit University, Çorum, Turkey; 5 Şehit Kamil State Hospital, Gaziantep, Turkey; 6 Biochemistry Laboratory, Çorum Training and Research Hospital, Çorum, Turkey


BACKGROUND: Volleyball is briefly described as an “interval” sport with both aerobic and anaerobic components. Exercise may influence antioxidant/prooxidant balance, which leads to differences in oxidative stress status between athletes in different sport disciplines, but the results of the previous studies are inconsistent. In this study, we aimed to determine the acute effects of exercise on oxidative stress parameters such as serum total oxidant status (TOS) and total antioxidant status (TAS) levels in volleyball players.
METHODS: Thirteen male volleyball players from the same team participated in this study. The volleyball game lasted approximately 95 minutes including warm-up and cool-down periods. Blood samples were taken before the warm-up and after the cool down. Serum TOS and TAS levels were measured. Oxidative stress index (OSI), a predictor of antioxidant/prooxidant balance (TOS/TAS), was also calculated.
RESULTS: The following data were revealed as median (95% confidence interval): TOS, 6.84 μmol H2O2 Eq/L (5.80-8.13) and 5.15 (4.20-6.02); TAS, 1.96 mmol troloxEq/L (1.91- 2.08) and 1.95 (1.86-2.00); and OSI indexes, 3.31 (arbitrary unit) (2.84-4.00) and 2.64 (2.26- 3.18) before and after the match with respectively. Serum TOS and OSI levels were significantly lower after volleyball match when compared to before (p<0.05). There was no significant difference in serum TAS levels (p>0.05).
CONCLUSION: In individuals who exercise active sports, TOS level has been found to be decreased while TAS level has not been affected significantly after volleyball match. Our results suggested that volleyball training may not cause oxidative stress in these players. Regular physical exercise especially, volleyball training may provide adequate protection against exercise-induced oxidative stress.

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