TY JOUR TI Comprehensive development of coordination abilities and voluntary self-regulation in football players aged 15–17 KW football KW youth sports KW coordination abilities KW sports mastery JO Scientific notes of P. F. Lesgaft University AU Shumova, N.S. AU Baykovsky, Y.V. AU zhang, j.. PY 2026 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft