TY JOUR TI Increasing the expressiveness of movements with an object in highly qualified rhythmic gymnastics athletes KW rhythmic gymnastics KW group exercises KW expressiveness of movements with objects KW tempo-rhythmic indicators KW content of subject training JO Scientific notes of P. F. Lesgaft University AU Medvedeva, E.N. AU Suprun, A.A. AU Kiviharju, I.V. AU Vlasova, N.Y. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft