TY JOUR TI NEW TYPES OF MOTOR ACTIVITY (FITNESS) USED IN CLASSES WITH STUDENTS OF THE SPECIAL MEDICAL GROUP KW sport KW disease activity KW aerobics KW health-improving physical education KW body KW pilates KW prevention KW rehabilitation therapy KW Nordic walking KW stretching KW exercise JO Psychological and pedagogical problems of human and social security AU Striga, S.I. PY 2023 IS 2023 PB Saint-Petersburg University of State Fire Service of Emercom of Russia