Stand in front of the step with a straight back, arms at your sides and shoulders relaxed. Lift your right foot and plant it on the step, landing with your weight on the heel, not the toe. Pull the rest of your body onto the step using your leading right leg, then return to the floor. {relatedarticles}Make sure your posture remains straight; don't lean forward. Perform three sets of 20 step-ups for each leading foot.