00894naa#a2200205#i#450# EN\\bibl\109126 20251222230832.1 1994-4683 20250913b2025####ek#y0engy0150####ca RU DYNAMICS OF PHYSICAL FITNESS INDICATORS OF 11-YEAR-OLD BOYS BASED ON THE STAGED USE OF DIFFERENT DIRECTIONS OF MEANS Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 3 с. Journal article local Философские и научно-теоретические основы физической культуры и спорта. 796.011 Kashenkov Yuri Borisovich Sharagin Viktor Ivanovich Komarov Mikhail Nikonorovich Doroncev Aleksandr Viktorovich uchzapiski.lesgaft.spb.ru