%0 Journal Article
%T Study of physical activity among middle school students in China: current status, challenges, and countermeasures
%A Zhang, G..
%A Lavruhina, G.M.
%A Pan, J..
%K secondary education, China, physical activity, state standards, final certification, infrastructure, pedagogical control
%J Scientific notes of P. F. Lesgaft University
%D 2025
%N 0
%P 7
%I National State University of Physical Education, Sports and Health named after P.F. Lesgaft