TY JOUR TI Conditions for maintaining balance during acrobatic support with object manipulation in pair and group exercises of rhythmic gymnastics KW artistic gymnastics KW mixed pairs KW acrobatic supports KW object work KW balance KW stabilometric characteristics JO Scientific notes of P. F. Lesgaft University AU Medvedeva, E.N. AU Suprun, A.A. AU Skrzhinskiy, A.M. AU Pimenova, L.G. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft