Physiological profiles of functional state demonstrated by the adolescents of Magadan region in summer period

The adolescents at the age of 12–15 born in the Northeast of Russia and residing in the area were examined in summer period to study physiological parameters of hemodynamics, heart rate variability at rest as well as at functional tests. Some observed parameters have showed age- and sex-related reliably significant dif- ference. The male residents aged 13–15 have demonstrated the prevalence of normotonic vegetative nerv- ous regulation; however, they proved to have the signs of prehypertension tendency in their blood circula- tion system. Based on the carried studies, it is supposed to consider the physiological values showed by the northern adolescents in summer period as a base line, especially in case of monitoring schoolchildren's health during a school year.