The Effect of Incremental Interval Endurance Training with Portulaca Supplementation on the Antioxidant Biological Indices and Oxidative Stress in Non-active Girls

Document Type : Research Paper


1 Associate Professor of Exercise Physiology, Department of Sport Sciences, Faculty of Education and Psychology, Azarbaijan Shahid Madani University, Tabriz, Iran

2 Ph.D. Student of Exercise Physiology, Department of Exercise Physiology and Corrective Movements, Faculty of Sport Sciences, Urmia University, Urmia, Iran


Increasing oxidative stress is a major factor in metabolic syndrome associated with obesity and may play a major role in the pathophysiology of various diseases such as cardiovascular diseases. The aim of this study was to investigate the effect of 8 weeks of rope training with portulaca supplementation on antioxidant biological indices (SOD, TAC, GPX) and lipid peroxidation index (MDA) in non-active girls. In this quasi-experimental study, 40 overweight and obese girls (mean BMI=27.05 ± 0.72, age range=20-25 yr) were selected from qualified subjects and randomly assigned to four groups: placebo (n=10), supplement (n=10), training (n=10) and training+supplement (n=10). The training program included 8 weeks of rope training (four sessions per week and 45 minutes each session), and daily supplementation of 1200 mg portulaca for 8 weeks. The variables were measured by ELISA method. The data were analyzed by ANOVA test at a significance level (P<0.05). The results showed that the amounts of MAD in training+supplement and training groups decreased significantly (P=0.01, P=0.001) and SOD, GPX and TAC increased significantly in training, supplement and training+supplement groups [SOD (P=0.001, P=0.03, P=0.001), GPX (P=0.02, P=0.007, P=0.004), TAC (P=0.02, P=0.01, P=0.001) respectively]. It seems that incremental interval endurance training as rope training along with portulaca supplementation can improve the status of antioxidant system and reduce oxidative damage and may influence preventing cardiovascular diseases.


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