TY JOUR TI The biomechanical characteristics of backstroke technique in highly skilled swimmers KW backstroke swimming KW backstroke turn KW swimming biomechanics JO Scientific notes of P. F. Lesgaft University AU Krylov, A.I. AU Vinogradov, E.O. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft