Effect of the cortisol hormone on endurance trainings in the morning and evening

BACKGROUND: There are divergences regarding differences shown by endurance trainings made in the morning hours and endurance trainings made in the evening depending on the cortisol hormone level. This study has dealt the differences occurred in result of endurances trainings made in the morning and evening hours depending on the cortisol hormone level varying in the morning and evening hours. METHODS: Thirty-nine students participated voluntarily to the research. The hormone levels and some hematological parameters were inspected by means of the blood samples given at 07:00 a.m. and 04:00 p.m. by the subjects separated as morning and evening control group. As exercise protocol the "Conconi Test" was applied during the endurance evaluation. After a 6 weekly exercise protocol the hormone level, hematological parameters and "Conconi test" protocol was re-applied and differences were examined. RESULTS: In the study performed by us it was observed that the level of the cortisol hormone in the endurance training made in the morning and evening hours has a significant effect on the physical and physiological parameters in the body. CONCLUSIONS: In the performed study it was seen that in our study, beyond other studies, the evening hours were the time, when the cortisol hormone was more effective during the measuring of the subjects constituting the study group. © 2017 edizioni minerva medica.