The results of the comparative evaluation of adaptation level, fitness degree, emotional state, level of energy supply and the integral index of «health level» in girls and boys, who practicing dance sport are presented. The study enables us to claim that the functional state defined by a combined indicator of «health level» in young dancers in all groups becomes basically on good or excellent levels. The increase in experience time in dance sport leads to a significant increase in the body's adaptive capabilities and the health level, improvement of the functional state and the body biorhythms harmonization in young dancers.