A. Ehssan A, عمار. ٍSome Kinematic variables of running –approach and its relation with the Level of Achievemeub in Long-jump. RJSS [Internet]. [cited 2025 Sep. 27];12(41):43-59. Available from: https://jamh.uomosul.edu.iq/index.php/rjss/article/view/35647