00867naa#a2200217#i#450# EN\\bibl\98285 20250908172348.1 1994-4683 20250827b2025####ek#y0engy0150####ca RU Biomechanics of the stag leap take-off phase in rhythmic gymnastics Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 7 с. Journal article local Художественная гимнастика. 796.412.2 Методические основы видов спорта. 77.29 grnti Pomerancev Andrey Aleksandrovich Korshikov Viktor Michailovich Timiriazev Danil Albertovich Bazhenkova Natalia Vladimirovna uchzapiski.lesgaft.spb.ru