[The dynamic physical development of schoolchildren in Nizhni Novgorod].

In the past 55 years, the trends in the physical development of school children of a large industrial city have been in agreement with the global ones in the growth and development of children and adolescents. In the past decade, there have been unfavourable tendencies in the physical development of schoolchildren. The physical development of children is an indicator of the social and economic status, living conditions, and the environment. Follow-ups should be an obligatory element of monitoring the population's health.