TY JOUR TI Increasing the level of physical activity of students through digital communication technologies and gamification KW physical activity KW students KW digital technologies KW gamified approach KW fitness applications JO Scientific notes of P. F. Lesgaft University AU Osipov, A.Y. AU Filippovich, V.A. AU Zemba, E.A. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft