00791naa#a2200205#i#450# EN\\bibl\110083 20251227203845.6 1994-4683 20250913b2025####ek#y0engy0150####ca RU Analysis of technical errors when performing exercises with a ball in rhythmic gymnastics Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 2 с. Journal article local Художественная гимнастика. 796.412.2 Shapovalenko Alisa Denisovna Shapovalenko Nikita Sergeevich Goryacheva Natal'ya Leonidovna Propisnova Elena Pavlovna uchzapiski.lesgaft.spb.ru