· Grasp a dumbbell in each hand and lay on an incline bench set at a 45 degree angle. · Keep your feet flat on the floor and your back against the bench at all times. · Using a hammer grip (with your palms facing each other), lift the weights to shoulder height on either side of your chest. · Extend your arms fully and press the dumbbells up. · Slowly return the dumbbells to the starting position at the sides of your chest.