%0 Journal Article %T Predicting functional status in football players: reference range, normative values, and standardization of the Hooper index %A Golubev, D.V. %K football, athletic reserve, functional state, aerobic capacity, heart rate, hooper index, sports forecasting %J Scientific notes of P. F. Lesgaft University %D 2026 %N 0 %P 8 %I National State University of Physical Education, Sports and Health named after P.F. Lesgaft