Udalova M.A., Zyukin A.V., Kiryanova L.A., and Bystrova I.V. “Improving Jump Training Based on Body Difficulty Requirements in Gymnastics”. Theory and Practice of Physical Culture, no. 7 (September 6, 2025): 22–24. Accessed December 5, 2025. http://tpfk.ru/index.php/TPPC/article/view/1396.