TY JOUR TI Enhancing technical preparedness in rhythmic gymnasts through ambidexterity training of arm movements using a ribbon KW rhythmic gymnastics KW ribbon exercises KW technical preparedness KW ambidexterity KW apparatus training JO Scientific notes of P. F. Lesgaft University AU Nadol'skaya, V.N. AU Medvedeva, E.N. AU Suprun, A.A. AU Samsonova, A.V. PY 2026 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft