TY JOUR TI The use of a traction device in preparation highly qualified sprinters for competitions KW athletics KW sprinting KW highly qualified athletes KW competitive result KW traction device KW training process JO Scientific notes of P. F. Lesgaft University AU Gruzenkin, V.I. AU Lavrinenko, N.I. AU Lavrinenko, V.I. AU Baturkina, G.V. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft