Ali Sadeq, A. and Balash Jaber, H. 2023. Exercises according to the pressure applied to the feet and the length of the step and their impact on reducing the differences in the dispersion of the path of an enemy and the achievement of the effectiveness of (110) hurdles. College of Basic Education Research Journal. 19, 21 (Aug. 2023), 429–456. DOI:https://doi.org/10.33899/berj.2023.180018.