TY JOUR TI Pedagogical method of influencing the level of physical fitness of hammer throwers through the use of elastic training equipment KW athletics KW hammer throw KW vertical elastic connection KW physical training KW instantaneous speed of the hammer KW angular velocity of rotation JO Scientific notes of P. F. Lesgaft University AU Sun, H.. AU Popov, G.I. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft