TY JOUR TI Potential for fiber-type composition adaptation in athletes in response to training KW strength training KW endurance training KW fiber-type composition KW muscle fiber profile JO Scientific notes of P. F. Lesgaft University AU Samsonova, A.V. AU Samsonov, G.A. PY 2026 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft