TY JOUR TI Kinematic differences in the element performed with a big swing and a 360° and 540° rotation on uneven bars by highly qualified Russian and foreign gymnasts KW artistic gymnastics KW uneven bars exercises KW sports biomechanics KW kinematic analysis JO Scientific notes of P. F. Lesgaft University AU Sobitova, M.Z. AU Kryuchkov, A.S. AU Myakinchenko, P.E. AU Fendel', T.V. PY 2026 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft