00860naa#a2200169#i#450# EN\\bibl\111767 20260115200214.4 1994-4683 20250913b2025####ek#y0engy0150####ca RU Features in the development of physical qualities of primary schoolchildren in the conditions of directed and comprehensive physical education Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 5 с. Journal article local Методика физического воспитания. Пути и средства физического воспитания. Учебные заведения физической культуры. 796.011.3 Muhina Margarita Petrovna uchzapiski.lesgaft.spb.ru