The effect of special exercises using assistive devices on some physical and motor variables of the approach phase and throwing position for the javelin throwing event

The role of the arms in achieving the 100-meter running event for students

The effect of plyometric training on developing the speed-specific strength of the upper and lower limb muscles and the achievement of young javelin throwers

The effect of Cross Fit training on some physical and physiological abilities and the achievement of 400-meter men's race