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Open Access Article
1 - The effect of high-intensity strength and endurance training on cortisol, testosterone, and physical fitness of 15-20-year-old male taekwondo athletes in Rash
Seyed Razi Moravej Marzieh Nazari Ramin ShabaniObjectives. High intensity training change anthropometric and Biochemical parameters in athletes, so the aim of this study was to investigate the effect of a high intensity training course on BMI, cortisol and testosterone in taekwondo boys 15 to 20 years in Rasht. Mat MoreObjectives. High intensity training change anthropometric and Biochemical parameters in athletes, so the aim of this study was to investigate the effect of a high intensity training course on BMI, cortisol and testosterone in taekwondo boys 15 to 20 years in Rasht. Material and Methods. This quasi-experimental research, which was conducted with study population of 15 to 20-year-old boy’s taekwondo in Rasht. The subjects of this study were randomly divided into two groups. The first group of training age was M±SD 17.70±2.26 year, and other group exercise age was M±SD 16.90±1.72 year. The first training group with traditional Taekwondo training, strength - endurance training with moderate intensity for 95 minutes and the second group this exercises with high intensity for 80 minutes were performed. before and after 8 weeks of training, BMI, anaerobic capacity, hormones cortisol and testosterone were assessed. The dependent t-test and independent t- test were used to analyze the data of study at p> 0.05. Results. The results of this study showed that six-weeks of high intensity training reduced the significantly the hormones cortisol (P = 0.001). Testosterone and anaerobic capacity significantly increased after exercise in both groups(P = 0.001). Comparisons between groups showed significant difference in anaerobic Capacity (P = 0.001). Conclusions. High-intensity training in Taekwondo athlete probably have a positive effect on physical fitness factors, cortisol and testosterone hormones and improve the performance of this athletes. Manuscript profile
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