00631naa#a2200169#i#450# EN\\bibl\109706 20251220185042.6 1994-4683 20250913b2025####ek#y0engy0150####ca RU Analysis of the level of development of physical quality of flexibility among university students Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 3 с. Journal article local Гибкость. 796.012.234 Sidorenko Aleksandr Sergeevich uchzapiski.lesgaft.spb.ru