00660naa#a2200193#i#450# EN\\bibl\121338 20260515001213.5 1994-4683 20230803b2023####ek#y0engy0150####ca RU OBJECTIVE ANALYSIS OF THE PERFORMANCE OF BASIC EXERCISES IN GYMNASTICS USING A STABLE PLATFORM Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 5 с. Journal article local Упражнения на равновесие. 796.413 uchzapiski.lesgaft.spb.ru