Ghanem Mulla Alou, T., ثائر, Ahmad Yunis, S. and صمیم 2025. The effect of Post feedback in some biokinmatics variables to the start block in the swimming. Al-Rafidain Journal For Sport Sciences (RJSS). 24, 73 (Jun. 2025), 1–22. DOI:https://doi.org/10.33899/rjss.2021.167737.