TY JOUR TI CORRECTION OF TRAINING LOADS OF YOUNG RUNNERS FOR MIDDLE DISTANCES ON THE BASIS OF ACCOUNTING FOR THE FUNCTIONAL STATE OF SKELETAL MUSCLES KW YOUNG MIDDLE DISTANCE RUNNERS KW TRAINING LOADS KW SKELETAL MUSCLES JO Scientific notes of P. F. Lesgaft University AU , .. AU , .. AU , .. PY 2023 IS PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft