[Working capacity and social adaptation in childhood and youth (author's transl)]

Some problems and results of investigation about physical and mental working capacity and social adaptation during childhood and youth are summarized out of literature of passed 20 years. Within those three, dialectically and mutually efficient parts of total human productivity social adaptability wins actually importance. Difficulties of social adaptation process are mostly reasoned by scientific and technical development and political change of life and work conditions. The author proposes to coordinate the numerous researches of various investigation groups in order to get adequate investigation methods and as a further result standards for infancy and youth capacities.