• R S Rakhmanov, A V Pokrovskiĭ, and A A Diudiakov.
• Gig Sanit. 1999 Mar 1 (2): 19-21.

AbstractAssessing the health indices in 330 adolescents aged 14-17 years who live in different microdistricts of an oil-processing center has demonstrated that adolescents of today are taller than those of the 1980s. Their body weight and chest circumference are greater only in 14-16-year-old adolescents, the lung capacity (LC) is higher only in 14-year-olds. Normal physical development was observed in 47.8-71/9%. Asthenic and hypertensive responses of the cardiovascular system (CVS) to graded exercise were found in 9.7-19.6%. There are no differences in the mean increment and mean rate of growth as to height in adolescents of today and the 1980s. But there are differences in the increase in body weights and LC. The adolescents residing in the more polluted microdistricts show less increases in their growth (8.4 vs 10.8 cm), body weight (8.1 vs 14.7 kg, and resting chest circumference (5.1 vs 7.5 cm). Gradual exercise testing has revealed asthenic and hypertensive CVS responses in 20% (13.4% in a less polluted area). By physical development, as high as 41.3% of adolescents are referred to health group II, in the less polluted area, this health group has been established only in 14-year-old adolescents.

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