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
Subject Areas : Journal of Physical Activity and Hormones
Seyed Razi Moravej
1
,
Marzieh Nazari
2
,
Ramin Shabani
3
1 - Islamic Azad University, Rasht, Iran
2 - Department of Physical Education and Sports Science, Rasht Branch, Islamic Azad University, Rasht, Iran
3 - Professor, Department of Physical Education and Sports Science, Rasht Branch, Islamic Azad University, Rasht, Iran
Keywords: High-intensity training, Hormones , Anaerobic capacity.,
Abstract :
Objectives. 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.