TY JOUR TI METHODS OF STRENGTH TRAINING FOR MEN AGED 40-45 USING TRX LOOPS KW men 40-45 years old KW technique KW trx suspension loops KW physical fitness JO Scientific notes of P. F. Lesgaft University AU Romanenko, N.I. AU Gorbunova, S.A. AU SHentsova, E.S. AU CHernyak, D.V. AU Beschastnykh, L.A. PY 2023 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft