Abdull karim Al-Hayali, Maan, معن, Azad Shams Al-Deen, and ازاد. 2025. “The Effect of Two Methods of Ballistic Resistance Training on Some Aspects of Upper Body Strength in the Long Jump for Specialized School Athletes”. Al-Rafidain Journal For Sport Sciences (RJSS) 26 (80):87-97. https://doi.org/10.33899/rjss.2023.1783840.