TY JOUR TI On the issue of operational control of a kettlebell lifter's technique KW kettlebell lifting KW operational control KW technique of motor actions KW complex device KW "kettlebell jerk" KW biomechanical indicators JO Scientific notes of P. F. Lesgaft University AU Shul'gin, G.E. AU Tambovskiy, A.N. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft