TY JOUR TI Study of the level of physical activity of cadets of educational organisations of the Ministry of Internal Affairs of Russia at the initial stage of training KW motor activity KW physical culture KW physical training KW physical development KW higher education KW initial training KW skills set JO Vestnik of the St. Petersburg University of the Ministry of Internal Affairs of Russia AU Shaidulin, M.R. PY 2023 IS 2023 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION