م.د سجاد عبد الأمير حسين م.د سجاد عبد الأمير حسين. The Effect of Explosive Strength Exercises on Selected Biomechanical Variables and the Improvement of Technical Performance of the Tippelt Skill Among Advanced Artistic Gymnasts . wjoss 2026, 29 (3), 104-124. https://doi.org/10.31185/wjoss.1250.