Physical development of adolescents at the age of fourteen in Perm and Permskiy krai at the turn of the millennium

Children's physical growth and development are essential characteristics of the population, which are highly sensitive to the environmental factors. The article represents the comparative analysis of the physical fitness of young teens at the age of fourteen, both male and female, born in the years 1990 and 2004. The evaluation was conducted in the years 2004 and 2018, respectively. The following statistically significant changes were revealed: The adolescents born in the year 2004 were superior over the children born in the year 1990 in the following characteristics: height, body weight, chest circumference and body mass index. Probably, the physical growth of the children born in the year 1990 was affected due to unfavourable social environment and drop in the living standards that were observed in the years 1990th5.