Maximize the cardio effect of your workout by engaging multiple muscle groups at once. After a nice warm-up, dive into an ab series with your ball, move into tabletop, then push your limits with modified burpees. You'll then transition to a barre sequence and standing cardio before cooling down with a final stretch. This fusion sequence moves quickly but still provides plenty of instruction. Props Needed: A barre, chair, or other surface. Props Suggested: A small stability ball and 3 lb. weights.