A descending ladder of sit-ups and mountain climbers. Both moves challenge your abs in different ways: sit-ups in a time under tension manner, mountain climbers as dynamic ab work so again, a superset style ladder.
Push-up Ladder (bodyweight strength) - a descending ladder of push-ups and forearm planks. Sounds simple but remember - you are still contracting many of the same muscles when you plank as you use when performing push-ups so this takes on bit of a superset style ladder.
A descending ladder of squats, burpees and mountain climbers...oh my! Get ready for a rush of endorphins as you STOKE THE FIRE WITHIN with this fast and furious full body assault.
A descending ladder of bicycle crunches and cross body mountain climbers. Both moves challenge your abs in different ways (time under tension and dynamic ab work) for another superset style ladder