TY JOUR TI INNOVATIONS IN THE METHODOLOGY FOR MASTERING THE BASIC ELEMENTS OF THE TECHNIQUE OF SKI MOVES BY STUDENTS DURING THE SNOWLESS PERIOD KW student KW rollerski training KW basic elements KW circuit training KW non-standard equipment JO Scientific notes of P. F. Lesgaft University AU Gorbikov, I.I. AU Ryltsov, A.M. AU Paramzin, V.B. AU Raznovskaya, S.V. PY 2023 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft