TY CONF TI System-activity approach in physical education as part of the implementation of the updated GEF KW system-activity approach KW training KW physical education KW teacher KW Federal state standard. JO II All-Russian Scientific and Practical Conference of students, teachers, practitioners "Education-Science-Practice" AU Volkova, V.V. PY 2025 PB Autonomous Non-Profit Educational Organization of Higher Education "Kuban Institute of Vocational Education"