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        1 - Effects of Dynamic Warm-up With and Without a Weighted Vest on jump and maximal power performance of lower limb in male soccer players
        Minoo Dadban shahamat
        Background& Purpose: Present study was aimed to investigate Effects of Dynamic Warm-up With and Without a Weighted Vest on jump and maximal power performance of lower limb in male soccer players.Material and Methods: 15 young male soccer players voluntarily particip More
        Background& Purpose: Present study was aimed to investigate Effects of Dynamic Warm-up With and Without a Weighted Vest on jump and maximal power performance of lower limb in male soccer players.Material and Methods: 15 young male soccer players voluntarily participated in this study. Warm up protocol included General Warm up (running at 70% of maximum heart rate) and Warm up using Weighted Vest was about 6% of body weight participants. The data was processed by using SPSS version 21 and dependent t-test and 2-way ANOVA for repeated measures and Bonferroni test. Results: Dynamic Warm-up without a Weighted Vest led to significant decrease in long jump record, jump Sargent index and maximal strength (p≤0.05). In contrast, Dynamic Warm-up with Weighted Vest resulted in a significant increase in long jump, jump Sargent and maximal strength (p≤0.05). Dynamic Warm-up with Weighted Vest led to significant increase in long jump performance in comparison of General Warm up (p≤0.05). There was no significant difference between the effects of two dynamic warm-ups in jump performance, Sargent and lower limb maximal strength (p≤0.05). Conclusion: The results showed an improvement in vertical jump performance with load 6% by weight vest during the warm-up protocol compared to the General Warm up. It seems that the use of this method of heating is more effective in developing power performance of young soccer players. Manuscript profile
      • Open Access Article

        2 - The relationship between the level of physical activity and the quality of life and social health of the students of Islamic Azad University Azadshahr branch
        Minoo Dadban shahamat
        The present study was conducted with the aim of investigating the relationship between the level of physical activity and the quality of life and social health of students. The research method is post-event or causal comparative. The statistical population included all More
        The present study was conducted with the aim of investigating the relationship between the level of physical activity and the quality of life and social health of students. The research method is post-event or causal comparative. The statistical population included all the students of Islamic Azad University of Azadshahr branch in the academic year 1402-1403 and included 4500 people. The sample size was determined to be 350 people using Cochran's formula, which was available as a sampling, to answer the questions of physical activity questionnaires (Sharki, 1997), quality of life SF-36 (Brazier et al., 2011) and social health (Keyes, 1998) were selected. Mean and standard deviation were used to describe the research data, and Pearson's correlation coefficient was used to test the research hypotheses. All analyzes were performed at the level of P ≤ 0.05 and with SPSS version 21 statistical software. The findings showed that there is a significant relationship between the average level of physical activity and the dimensions of physical health and mental health of the quality of life index (P ≤ 0.05). Also, there is a significant relationship between the average level of physical activity and all five dimensions of social health, including social solidarity, social cohesion, social participation, social prosperity and social acceptance (P ≤ 0.05). Quality of life, social health, physical activity, students Manuscript profile