TY JOUR TI DYNAMICS OF PREPAREDNESS INDICATORS OF GIRLS AGED 12-15 UNDER THE INFLUENCE OF AESTHETIC GYMNASTICS AT PHYSICAL EDUCATION LESSONS KW aesthetic gymnastics KW girls KW functional readiness KW educational process KW physical culture and sports interests JO Scientific notes of P. F. Lesgaft University AU Bakulina, E.D. AU Bashirova, E.S. AU Amelina, E.N. AU Grigoreva, E.I. PY 2023 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft