TY JOUR TI Conducting a volleyball lesson in a secondary school using biomechanical categories KW volleyball lesson KW biomechanical qualities KW biomechanics of movements in the game KW agility KW endurance KW flexibility JO Journal of Pedagogical Studies AU Ovchinnikov, Y.D. AU Kobzareva, I.Y. AU Kudryavceva, N.A. PY 2022 IS 7 PB INFRA-M Academic Publishing LLC.