TY JOUR TI IMPROVING THE FUNCTIONAL STATE OFFREESTYLE SPRINTERS IN THE PROCESS OF APPLYING THE PRINCIPLES OF INDIVIDUALIZATION OF THE TRAINING PROCESS KW functional training KW training process KW swimming KW individualization KW implementation methodology 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