TY JOUR TI Motor activity as a means of successful adaptation of students in modern high school KW physical education of students KW stress KW physical activity KW adaptation KW psychophysical health KW psychological well-being JO Scientific notes of P. F. Lesgaft University AU Kosheleva, M.V. AU Lazunina, I.V. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft