TY JOUR TI The effectiveness of the comprehensive training methodology based on strength training with middle-aged men in a fitness center setting KW men of mature age KW physical performance KW psycho-emotional state KW strength training JO Scientific notes of P. F. Lesgaft University AU Panova, I.P. AU Shkatov, O.A. AU Skorokhodova, Y.M. AU Panov, K.S. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft