TY JOUR TI STUDY OF THE EFFECT OF BREATHING ON BIOMECHANICS IN THE PROCESS OF TEACHING SPORTS BALLROOM DANCING KW breathing KW biomechanics KW sports ballroom dancing KW teaching techniques KW movement coordination JO Scientific notes of P. F. Lesgaft University AU Speranskiy, V.K. PY 2023 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft