@article{Osipenko2025methods, author={Osipenko, E.V. and Luojing, Y..}, title={Methods of increasing physical activity in various age groups using social networks and digital technologies}, journal={Scientific notes of P. F. Lesgaft University}, publisher={National State University of Physical Education, Sports and Health named after P.F. Lesgaft}, year={2025}, pages={83-89}, volume={0}, issue={2}, }