Physiological characteristics of physical loads influence on youngster's (age 17-21) organism

In the youngster period (age of 17-21) the functional rebuilding of nerves-muscles apparatus of the young weightlifters is finishing under influence of physical training. The data of their hemodynamics shows that the young weight lifters have so called "sport heart" which in functioning in physiologically optimal regime. Within the age of 20-21 the moderation of the body length growth of some youngsters under research is noticed. It testifies that change of growth curve on plateau, which is most appropriate for constitution of the professional weightlifters.