Determination of serum cortisol, and insulin during an exhaustive exercise in male athletes

25 male athletes with a mean age of 20 years were included. All of the participants were subjected to exhaustive exercise on the ergometer. Cortisol and Insulin were estimated before and after the exercise by Radio immuno assay method to show the influence of a strenuous exercise on these hormones. Our results revealed an increased Cortisol level while Insulin concentration decreased after the exhaustive exercise