00920naa#a2200229#i#450# EN\\bibl\128292 20260713055543.1 1994-4683 20230131b2023####ek#y0engy0150####ca RU INFLUENCE OF MARTIAL ARTS COMPETITIONS AT THE HEALTH-IMPROVING STAGE OFPREPARATION OF CHILDREN AGED 68 YEARS ON THE QUANTITATIVE SAFETY OF GROUPS Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 5 с. Journal article local Прочие виды единоборства и тяжелой атлетики. 796.89 Pastushenko Evgeniy Evgen'evich Pastushenko Evgeniya Evgen'evna Umarov Murad Muhamedovich Sokolov D A SHolotonov M A Popov A S uchzapiski.lesgaft.spb.ru