TY JOUR TI IMPROVING THE PHYSICAL AND FUNCTIONAL FITNESS OF YOUNG MEN BY MEANS OF STRENGTH FITNESS TRAINING KW physical fitness KW functional fitness KW strength fitness KW young men JO Scientific notes of P. F. Lesgaft University AU Potyagach, K.A. AU Sudar, V.V. PY 2023 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft