00718naa#a2200169#i#4500001001600000005001700016011001400033100004100047102000700088200009400095210011000189215001000299608002700309675014600336700003600482856003000518EN\\bibl\10980820251223095423.2##a1994-4683##a20250913b2025####ek#y0engy0150####ca##aRU1#aMotor activity of schoolchildren aged 11-13 years old out of course timeeJournal article1#aMoscowcNational State University of Physical Education, Sports and Health named after P.F. Lesgaftd2025##a3 с.##aJournal article2local##aФилософские и научно-теоретические основы физической культуры и спорта. 796.011#1aEliseevagTatyana Aleksandrovna4#auchzapiski.lesgaft.spb.ru