TY JOUR TI PSYCHOLOGICAL AND PEDAGOGICAL CONDITIONS NECESSARY FOR THE USE OF EXERCISES FOR THE PURPOSE OF DYNAMIC MUSCLE RELAXATION IN KETTLEBELL ATHLETES KW psychological and pedagogical conditions KW kettlebell athletes KW exercises for dynamic muscle relaxation KW motor abilities KW general and strength endurance KW sports training JO Scientific notes of P. F. Lesgaft University AU Rudenko, D.V. AU Bolotin, A.E. PY 2023 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft