Alteration in basal redox state of young male soccer players after a six-month training programme

Zivkovic, V. and Lazarevic, P. and Djuric, D. and Cubrilo, D. and Macura, M. and Vuletic, M. and Barudzic, N. and Nesic, M. and Jakovljevic, Vladimir (2013) Alteration in basal redox state of young male soccer players after a six-month training programme. Acta Physiologica Hungarica, 100 (1). pp. 64-76. ISSN 0231-424X

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Abstract

Despite worldwide popularity of soccer, there are still insufficient data about the effects of training process on oxidative stress-induced damage, which may occur during chronic exercise. The present study aimed to determine the effects of a six-month training programme on basal redox status of young male soccer players. The study included 26 male soccer players, aged 12–13, who participated in a six-month training programme, and 26 age-matched non-athletes who were not implemented in the training process. Blood samples were collected (before and after six-month training programme) in order to measure the following oxidative stress markers: index of lipid peroxidation (measured as TBARS), nitrites (NO₂⁻), superoxide anion radical (O₂⁻), hydrogen peroxide (H₂O₂), superoxide dismutase (SOD), catalase (CAT) and reduced glutathione (GSH) level. After six months, the levels of TBARS and NO₂⁻ were significantly increased, while the O₂⁻ and H₂O₂ remained unchanged. On the other hand, SOD and CAT activity increased, while GSH decreased. A carefully prepared training programme could strengthen most components of antioxidant defence systems and, except lipid peroxidation, does not promote oxidative stress in response to regular physical activity. These findings could help in the improvement of training programmes for young athletes.

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