TY JOUR TI IMPROVING THE TECHNIQUE OF HIGHLY QUALIFIED 100 AND 200 METERS RUNNERS KW SPRINTING KW SPRINTING TECHNIQUE KW BIOMECHANICAL ANALYSIS OF RUNNING TECHNIQUE KW SPATIAL CHARACTERISTIC OF RUNNING TECHNIQUE JO Scientific notes of P. F. Lesgaft University AU , .. AU , .. PY 2023 IS PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft