To study effect of liquids use on cortisol stressing while long time (90 min) practice in hot weather is the main purpose of this research. In this research, two arbitrary groups of students in football team at Islamic Azad University of Shoushtar were selected and tested namely test and control groups. The applied effect of eating carbohydrates while 90 min practice of bicycle riding in minutes of 26, 56 and 86 in test groups is studied; of course it was wanted from each group to control their diet. The applied results were analysed with SPSS and the main theoretical result is that using carbohydrate liquids while long time practicing in hot weather on football players has positive effect that should be valued in feeding diet of coaches.on 11 April 2019 by guest. Protected by copyright.

The purpose of this research was to compare structural variations and performance of left ventricle heart of athletes in regular practice and long time practice lack. In this research, 30 female athletes were selected. Two groups of 15 females playing basketball and aged 18-29 years in regular and long time practice lack groups were formed in Khuzestan. Some variables in these two stages of test were stroke volume, ejection fraction, heart rate and end systolic diameter that were evaluated by 1D, 2D and Doppler methods in rest situation. The main result of this article is positive effect of regular practice for basketball in performance of left ventricle paid and analysed in the paper. on 30 April 2019 by guest. Protected by copyright.