The Effect of Eccentric Exercise on Total Anti-Oxidant Capacity, Reduced Glutathione and Malondialdehyde Levels in Active Women

Background: Although exercise can increase free radicals by generating oxidative stress, it also can decrease them by increasing the antioxidant enzymes in the body as well. The purpose of this study is to investigate the eccentric activity on some oxidative and anti-oxidative factors pertaining to blood plasma of PE women immediately after the exercise. Materials and Methods: Sixteen female students have been volunteered in this study randomly divided into two groups including eccentric training group and control group. The blood samples were drawn from the subjects one hour before and immediately after the exercise to measure the reduced Glutathione (GSH), Malondialdehyde (MDA) and total anti-oxidant capacity (TAC) levels. The data were analyzed by SPSS-13 software using the one-way analysis of variance, one-way ANOVA test, (to determine the differences between groups) at the confidence level of 90% (p < 0.05). Results: The results has shown that the TAC, MDA, GSH levels after the eccentric exercise increased significantly compared to pre-exercise (p=0.001, p=0.001, p=0.033). The GSH and MDA levels also after the eccentric exercise were significantly higher than the pre-exercise compared to control group. Conclusion: It seems that sever eccentric exercise is an important stimulus making significant changes in body’s anti-oxidative system and has the ability to improve the anti-oxidant capacities too.