TY JOUR TI FEATURES OF COMPETITIVE ACTIVITY NON-OLYMPIC DIRECTIONS OF TAEKWONDO KW taekwondo KW competitive disciplines KW technique KW sparring KW self-defense KW sparring JO Scientific notes of P. F. Lesgaft University AU Shcheglov, I.M. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft