00693naa#a2200193#i#450# EN\\bibl\127786 20260723015628.4 1994-4683 20231230b2023####ek#y0engy0150####ca RU METHODS OF DEVELOPING LEG FLEXIBILITY AT THE TRAINING STAGE OF FITNESS IN TAEKWONDO Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 5 с. Journal article local Таеквон-до. 796.856.2 Malyshkin Dmitriy Vladimirovich Chuchkov Viktor Mihaylovich Sergeev V G uchzapiski.lesgaft.spb.ru