Yonis Hamza, I., إحسان, Owaid Abood, N. and نواف 2025. Analytical study of several kinematic variables and their relationship to the mechanical foundations of the launch of the projectile specific to the achievement at the throwing stage of the effectiveness of the discus throw. Al-Rafidain Journal For Sport Sciences (RJSS). 26, 82 (Jun. 2025), 462–478. DOI:https://doi.org/10.33899/rjss.2024.136600.114018.