Chest - Ball Dumbbell Press III

Starting Position: Position your upper back on an exercise ball; hold a dumbbell in your right hand above your chest with your left foot flat on the floor. Keep a 90 degree bend in your knee. Movement: Exhale as you press the dumbbell upward to a straight-arm position. Inhale as you slowly lower the dumbbell to the starting position. Repeat with your left arm and right leg. Repeat as required.

Source: HiTech Trainer