TY JOUR TI Biomechanical analysis of technique and identification of “key support points” for teaching the Olfati vault in men’s artistic gymnastics KW men's artistic gymnastics KW Yurchenko vaults KW Olfati vault KW sports biomechanics KW biomechanical analysis JO Scientific notes of P. F. Lesgaft University AU Somkin, A.A. AU Tereshchenko, A.S. AU Ponomareva, A.V. PY 2026 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft