TY JOUR TI PRINCIPLES OF INDIVIDUALIZATION OF THE TRAINING PROCESS IN THE MODERN TRAINING SYSTEM OF QUALIFIED FREESTYLE-SPRINTERS KW individualization KW freestyle-sprinters KW swimming KW training process KW sport JO Scientific notes of P. F. Lesgaft University AU Prigoda, G.S. PY 2023 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft