Golnaz Faezi1, Maryam Alssadat Hashemi, Shabnam Rezvan Nobahar and Mohsen Akbarpour
The aim of this study was to investigate the effect changes of volume and intensity training on level salivary cortisol in elite girl Badminton players. In order to this purpose, 22 elite girl badminton players were chosen and put in 2 groups of variation of volume and intensity of training . Practicing program of group of training volume variations was designed based on number of sessions, duration of practice and the second group was based on percentage of maximum heart rate. Vo2max and agility tests were done in order to measure player's performance. Profile of mood states (POMS) questionnaire in order to salivary cortisol sampling for measuring the concentration of salivary cortisol were carried out in 5 steps between 8 to 11am(before beginning of practicing program, at the end of 2nd, 4th,6th and 8th weeks). The results of this study showed that changes in volume and intensity of training have not significant effect on salivary cortisol concentration in girl badminton players. According to the results of this study, It suggest that given to dependence of physiological changes specially hormonal changes on volume and intensity of training, the coaches considered on determining rhythm and trend of volume and intensity of training
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