[Somatic development of Czech and Slovak children and adolescents in the 80s]

The paper introduces the new growth values of body height and body weight of the Czech and Slovak children and youth aging 1 1/2 to 18 years. The research was carry out during the 1987-1988 years on the whole territory of Czech and Slovak Federative Republic. It embraceds 47,099 probands. In comparison with the oldest and more new czech and slovak values the both characteristics in interpretation of long-termed and short-termed action of secular trend is percetible the further enlargement of the body height and body weight. In contrast to ancient is perceptible that the Slovak children in the present time are equal or higher from the Czech children. During the period of adolescence they are however exceed from the Czech probands. The like relation exists by the boys in the body weight. However, the Slovak girls are in mean lighter than the Czech girls already from 9 years of age. The counterpoise of body weight and eventual exceeding of Czech children theirs Slovak contemporaries can be possible originates with improve nutritional conditions of the Slovak populations in the antecendent periods after the Second World War. The mean intersexual differences on the end of adolescent period by both of our nationalities are 11-12 cm of body height and 12-13 kg of body weight.