00752naa#a2200205#i#450# EN\\bibl\118702 20260420152245.1 1994-4683 20230428b2023####ek#y0engy0150####ca RU JUMPING EXERCISES EFFICIENCY AT YOUNG MIDDLE DISTANCES’ RUNNERS Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 4 с. Journal article local Бег на средние дистанции (от 1000 до 10000 м), например,. 796.422.14 Kashenkov YU B Odintsova M O Starostin S D Bekmansurov R KH uchzapiski.lesgaft.spb.ru