TY JOUR TI ROLE OF ENERGY SUPPLY OF MUSCULAR ACTIVITY IN THE PREPARATION OF SWIMMERS KW training of highly qualified swimmers KW allactate KW lactate and aerobic energy supply systems JO Scientific notes of P. F. Lesgaft University AU Buchenkov, K.V. AU Fedyuk, N.S. AU Stovbur, A.P. AU Saenko, D.V. AU Saplina, A.E. AU Soroka, A.V. PY 2023 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft