TY JOUR TI Development of coordination abilities in 8-9-year-old karate practitioners through exercises with a tennis ball KW eastern martial arts KW karate KW coordination skills KW children's sports KW exercises with a tennis ball JO Scientific notes of P. F. Lesgaft University AU Kirsanova, O.N. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft