Changes of contents of catecholamine in the process of adaptation to educational loading at pupils of general schools of Chelyabinsk

The analysis of base-line level of egestion of catecholamins at a student 1, 5, 11 classes, executing the different volume of loading in the process of physical education. Exposed the age features of functional state of the sympathoadrenal system (SAS) and feature of its reaction to the regular physical loadings.