TY JOUR TI Investigation of the level of muscle strength and the presence of visual abnormalities in the thoracic spine in older preschool children with severe speech disorders KW children KW severe speech impairment KW physical development KW musculoskeletal system KW spinal column JO Scientific notes of P. F. Lesgaft University AU Solomkina, A.K. AU Makina, L.R. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft