%0 Journal Article %T Hobbyhorses: New Approaches in the Physical Activity of Children and Adolescents %A Ovchinnikov, Y.D. %A Stoylov, A.Y. %K hobbyhorse in further education, social projects, physical activity of adolescents in the new format, master class %J Scientific Research and Development. Socio-Humanitarian Research and Technology %D 2020 %N 9 %P 4 %I INFRA-M Academic Publishing LLC.