00918naa#a2200205#i#4500001001500000005001700015011001400032100004100046102000700087200013500094210011000229215001000339608002700349675014600376686009800522700001500620700003300635700001400668856003000682EN\\bibl\9999920250623210428.1##a1994-4683##a20250620b2025####ek#y0engy0150####ca##aRU1#aStudy of physical activity among middle school students in China: current status, challenges, and countermeasureseJournal article1#aMoscowcNational State University of Physical Education, Sports and Health named after P.F. Lesgaftd2025##a7 с.##aJournal article2local##aФилософские и научно-теоретические основы физической культуры и спорта. 796.011##aОбщие вопросы физической культуры и спорта. 77.012grnti#1aZhanggGe #1aLavruhinagGalina Mihaylovna#1aPangJin 4#auchzapiski.lesgaft.spb.ru