00910naa#a2200193#i#450# EN\\bibl\127969 20260715224241.3 1994-4683 20230228b2023####ek#y0engy0150####ca RU STATIC BALANCE DEVELOPMENT METHOD IN GIRLS ENGAGED IN RHYTHMIC GYMNASTICS AT THE STAGE OF INITIAL TRAINING Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 5 с. Journal article local Ритмические гимнастические упражнения (вольные). Производственная вспомогательная гимнастика. Художественная гимнастика. 796.412 Patrina A D Shapovalenko Nikita Sergeevich Dzerzhinskaya L B uchzapiski.lesgaft.spb.ru