TY JOUR TI EFFECT OF A SET OF EXERCISES AIMED AT IMPROVING POSTURE ON STUDENTS OF 1-2 COURSES IN UNIVERSITIES KW students KW posture KW prevention of back diseases JO Scientific notes of P. F. Lesgaft University AU Malakhova, O.E. AU Balashova, E.Y. AU Naumov, M.V. AU SHelegin, I.V. AU Popov, A.S. AU Averin, D.D. PY 2023 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft