TY JOUR TI The impact of internet addiction on the level of physical qualities development in students KW students KW internet addiction KW physical qualities KW motor activity KW digital technologies JO Scientific notes of P. F. Lesgaft University AU Aleksina, A.O. AU Kudinova, Y.V. AU Gurova, N.V. AU Berezhnik, Y.Y. PY 2026 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft