TY JOUR TI Structural and functional model of application of individualization of the training process of freestyle sprinters to improve the quality of their preparation for competitions KW cyclical training KW swimming KW crawl sprint KW training process JO Scientific notes of P. F. Lesgaft University AU Prigoda, G.S. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft