TY JOUR TI Development of adaptive physical education programs considering heart rate variability indicators in primary school-aged girls with intellectual disability KW adaptive physical education KW children with intellectual disability KW heart rate variability JO Scientific notes of P. F. Lesgaft University AU Kurushina, O.V. AU Karantysh, G.V. AU Mendzheritskiy, A.M. PY 2026 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft