TY JOUR TI Definition of profiling movements in improving the elements of the "difficulty of the subject" in rhythmic gymnastics KW rhythmic gymnastics KW skipping rope KW profiling movements KW structural elements KW elements of the «difficulty of the subject» JO Scientific notes of P. F. Lesgaft University AU Semibratova, I.S. AU Egorova, M.S. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft