Russian Union of Paediatricians (Paediatrician Publishers LLC), Annals of the Russian academy of medical sciences, 12(67), p. 35-40, 2012
DOI: 10.15690/vramn.v67i12.479
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In modern social economic and ecologo-hygienic conditions of big cities all age groups of children and adolescents aged 8–15 years present a significant decrease of functional indicators (muscle force of the right hand) in comparison with their peers of 60s and 80s of the XX century. The similar findings occur in other regions and age groups. The analysis of the reasons of this phenomenon is one of key problems for researches.