TY JOUR TI Analysis of issues in testing the physical fitness level of powerlifters with musculoskeletal disorders KW adaptive sports KW athletes with musculoskeletal disorders KW powerlifting KW control exercises (tests) KW general physical fitness KW special physical fitness KW federal standards of sports training JO Scientific notes of P. F. Lesgaft University AU Sirozh, A.V. PY 2026 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft