TY JOUR TI Method of improving the technique of performing the element "SYNCHRONIZED SPIN" in synchronized figure skating at the stage of higher sports mastery KW synchronized figure skating KW highest sports mastery KW training methodology KW synchronized rotation JO Scientific notes of P. F. Lesgaft University AU Volykhina, N.A. AU Voynova, M.M. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft