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      • Open Access Article

        1 - Effect of vitamin E supplementation on delayed onset muscle soreness in young men
        Mostafa Kashef
      • Open Access Article

        2 - The Effect of Salvia Extract Supplementation on Inflammation, Oxidative Stress, Muscle Injury, and Pain Following Exhaustive an Eccentric Exercise in non-Athlete Women
        zahra koohestani Mohammad-Ali Kohanpour Craig Duncan sara naeimi
        Introduction: Delayed onset muscle soreness is one of the problems in people starting exercise and researchers are looking for ways to reduce it. The aim of the present study was to investigate the effect of a period of salvia extract supplementation on the indicators o More
        Introduction: Delayed onset muscle soreness is one of the problems in people starting exercise and researchers are looking for ways to reduce it. The aim of the present study was to investigate the effect of a period of salvia extract supplementation on the indicators of delayed onset muscle soreness following exhaustive eccentric exercise in non-athlete women.Materials and Methods: 20 non-athlete women aged 20 to 30 years were randomly divided into two groups of placebo and salvia extract. On the pre-test day, both groups participated in an exhaustive eccentric activity. Then, for two weeks, the supplement group received salvia extract, and the placebo group received flour powder (200 mg/kg daily with similar capsules). After two weeks, both groups participated in the same physical activity similar to the pre-test (post-test). Blood samples were taken before and 24 hours after both activities and muscle pain were measured. CK, LDH, GPX, SOD, MDA, TNF-α, IL-1β, CRP, and lactate levels were measured for each blood sample. To examine the changes in the variables, an analysis of variance mixed with repeated measures and an independent t-test at the level of P≤0.05 were used.Findings: The results showed that muscle pain and levels of CK, LDH, GPX, MDA, TNF-α, IL-1β, CRP, and lactate increased significantly after eccentric exhaustion activity, but their increase was significantly lower in the salvia extract group than in the placebo group (P=0.036, P=0.043, P=0.009, P=0.001, P=0.006, P=0.002, P=0.007, P=0.005, and P=0.011, respectively).Conclusion: Short-term salvia extract supplementation may reduce the rate of increase in delayed onset muscle soreness following an exhaustive eccentric exercise due to flavonoids and phenolic compounds. Manuscript profile
      • Open Access Article

        3 - the comparison the acute effects of accelerate, resistance and common plyometric training on muscle damage markers in active girls
        Amin Farzaneh hesari Hadis Zaferaninan
        The purpose of this study was to compare the acute effects of accelerated plyometric, resisted plyometric and common plyometric training in active girls. In a randomized, crossover design, 10 active girls participated in this study and performed plyometric exercise in t More
        The purpose of this study was to compare the acute effects of accelerated plyometric, resisted plyometric and common plyometric training in active girls. In a randomized, crossover design, 10 active girls participated in this study and performed plyometric exercise in three positions: accelerated plyometric (fasten elastic tube from above to subject), resisted plyometric (fasten elastic tube from the bottom to subject), and common plyometric (without tube). Plyometric exercise was consisted 3 sets x 10 repetitions of jumping squat. Lactate dehydrogenase (LDH) and creatine kinase (CK) were measured prior, immediately and 24 h after exercise. One-way repeated measures ANOVA and Bonferroni post-hoc test was used. Results showed that CK increased immediately in 24 h after exercise than pre exercise in resisted plyometric. There was not significant difference for LDH between groups. It seems that resisted plyometric and common plyometric than accelerated plyometric induce greater muscle damage, but there was significant difference between different types of plyometric for CK and LDH. Manuscript profile