TY JOUR TI SELECTION OF BIATHLONISTS TAKEN INTO ACCOUNT OF MODEL CHARACTERISTICS OF MOTOR ABILITIES AT THE STAGES OF SPORTS SKILLS DEVELOPMENT KW selection KW prognosis KW motor ability KW growth rate KW model JO Scientific notes of P. F. Lesgaft University AU Farbey, V.V. PY 2023 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft