TY JOUR TI INFLUENCE OF SAMBO CLASSES ON THE ADAPTIVE POTENTIAL OF SCHOOLCHILDREN AGED 11-13 KW HEALTH CARE KW CHILDREN KW PRIMARY SCHOOL AGE KW ADAPTIVE POTENTIAL KW SAMBO KW SCHOOLING KW EXTRACURRICULAR ACTIVITIES JO Scientific notes of P. F. Lesgaft University AU , .. AU , .. PY 2026 IS PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft