%0 Journal Article %T INFLUENCE OF MARTIAL ARTS COMPETITIONS AT THE HEALTH-IMPROVING STAGE OFPREPARATION OF CHILDREN AGED 68 YEARS ON THE QUANTITATIVE SAFETY OF GROUPS %A Pastushenko, E.E. %A Pastushenko, E.E. %A Umarov, M.M. %A Sokolov, D.A. %A SHolotonov, M.A. %A Popov, A.S. %K martial arts, preschoolers, competitions, initial stage of preparation %J Scientific notes of P. F. Lesgaft University %D 2023 %N 0 %P 5 %I National State University of Physical Education, Sports and Health named after P.F. Lesgaft