TY JOUR TI Development of neural network algorithms for assessing the cardiovascular system state of students in planning physical education classes KW artificial intelligence KW functional state of the cardiovascular system KW physical culture of the student JO Scientific notes of P. F. Lesgaft University AU Shutova, T.N. AU Nosov, S.M. AU Shutov, I.D. AU Andrushevsky, A.T. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft