00731naa#a2200205#i#450# EN\\bibl\127997 20260715164216.3 1994-4683 20230228b2023####ek#y0engy0150####ca RU METHODOLOGICALFEATURES OF LONG JUMPERS PREPARATION AT THE STAGE OF INITIAL SPECIALIZATION Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 5 с. Journal article local Прыжки в длину. 796.431.2 Tihonov Yuriy Viktorovich Kryazhev V D Marinina Natal'ya Nikolaevna Grunina I V uchzapiski.lesgaft.spb.ru