TY JOUR TI Health-improving and training orientation of judo classes in additional education of schoolchildren KW judo KW children's sports KW primary school age KW educational and training process KW physical training KW mental processes JO Scientific notes of P. F. Lesgaft University AU Saraykin, D.A. AU Mamylina, N.. AU Cherkasov, I.F. AU Pavlova, V.I. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft