00738naa#a2200217#i#450# EN\\bibl\123502 20260710080535.5 1994-4683 20230831b2023####ek#y0engy0150####ca RU FEATURES OF THE DEVELOPMENT OF FLEXIBILITY IN PARTICIPANTS PARTICIPATED IN CHEER SPORTS Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 3 с. Journal article local Гибкость. 796.012.234 Nikolaeva E S Mironova T A Byvsheva D V Vasileva YU S Konik Aleksey Alekseevich uchzapiski.lesgaft.spb.ru