TY JOUR TI PHYSICAL DEVELOPMENT OFJUNIOR SCHOOLCHILDREN OF THE THIRD GRADES IN THE PROCESS OF FORMING INDEPENDENCE IN PHYSICAL EDUCATION LESSONS IN THE REALITIES OF THE XXI CENTURY KW physical development KW independence KW model KW indicator KW students JO Scientific notes of P. F. Lesgaft University AU Troshin, M.Y. PY 2023 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft