00772naa#a2200205#i#450# EN\\bibl\111584 20260304234528.3 1994-4683 20240930b2024####ek#y0engy0150####ca RU Improving the technique of hand strikes in jiu-jitsu for athletes during the training stage of preparation Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2024 3 с. Journal article local Джиу-джитсу. 796.853.25 Pankratov Sergey Borisovich Tupicyn Viktor Pavlovich Kolesnik Vladislav Pavlovich Sorokin Igor' Alekseevich uchzapiski.lesgaft.spb.ru