Muafak Alrashdi, K., أیاد, Mohammad Abdullah Alzubaedi, A. and کرم . The effect of two different methods According to a Computerized Running Training programs for interval training in lactate level in blood and performance in A 400-meter sprint for juniors. Al-Rafidain Journal For Sport Sciences (RJSS). 25, 79 (), 43–63. DOI:https://doi.org/10.33899/rjss.2022.175900.