00854naa#a2200205#i#450# EN\\bibl\106655 20251223091124.2 1994-4683 20251218b2025####ek#y0engy0150####ca RU Stability of the equilibrium of the "athlete-barbell" system during execution of various types of the barbell squat Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 6 с. Journal article local Силовая тренировка. Мышечно-силовая тренировка. 796.015.52 Samsonova Alla Vladimirovna Zaharov Fedor Evgen'evich Sagidullin Al'bert Azatovich Samsonov Mikhail Aleksandrovich uchzapiski.lesgaft.spb.ru