Ramiz Abdulghani, O. 2013. Biomechanics Analysis for the Open Forward and Open Backward Flips Performed by the Iraqi Gymnastic player Ehasn Zyad. Al-Rafidain Journal For Sport Sciences. 19, 60 (Mar. 2013), 20–34. DOI:https://doi.org/10.33899/rajsport.2013.66644.