Israa Kamil Hasan, and Asmaa Hameed Kambash. 2023. “The Effect of High-Intensity Competition Speed Training Using the DYNA FOOT Device on Developing Speed Endurance and Some Biomechanical Variables and the Performance of 400-Meter Hurdles”. Modern Sport 22 (3): 0001-0009. https://doi.org/10.54702/ms.v22i3.1096.