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  1 - The effect of caffeine consumption on some factors of physical fitness and skills of young footballers
  pourya pazouki Abdolrasoul  Daneshjoo
  10.61186/jspac.38720.2.6.54
  Background: Caffeine is a supplement that is not yet fully effective in specific football training styles. The purpose of this study was to determine the effect of caffeine consumption on some of the physical fitness and skill factors of young footballers. Materials More

  Background: Caffeine is a supplement that is not yet fully effective in specific football training styles. The purpose of this study was to determine the effect of caffeine consumption on some of the physical fitness and skill factors of young footballers. Materials and Methods: The research method is quasi-experimental and the participants of this study were 30 football players aged 16-18 years who were randomly selected and randomly assigned to one of the three groups of caffeine consumption, placebo use and control (30 = n). The variables of lower limb strength, agility, speed, maximum oxygen consumption and pass, shoot and dribble football skills were considered as dependent variables in pre-test and post-test of all participants. Data were classified by descriptive indices of mean and standard deviation and data analysis was performed using repeated measures analysis of variance test using SPSS-23 software at a significance level of P <0.05. Results: The results of statistical test showed that between the average lower limb strength (sig = 0.001), maximum oxygen consumption (sig = 0.001), speed (sig = 0.001) and agility (sig = 0.002) There is a statistically significant difference in the caffeine group with the other two groups from the pre-test to the post-test, but there is no statistically significant difference between the control and placebo groups. The results also showed that there was a statistically significant difference between the mean performance of shot, pass and dribble football in the caffeine group with the other two groups from the pre-test to post-test (sig = 0.001), but between the control and placebo groups. There is no statistically significant difference. Conclusion: Based on the results of the present study, caffeine consumption can have a positive effect on the physical fitness and technical skills of young footballers. Therefore, football coaches are advised to use caffeinated beverages before training to improve their footballers' physical and skill factors. Manuscript profile