Anni Mairs - Core Force

This ultimate cardio workout was personally developed by fitness professional Anni to get your heart pumping, tone your muscles and sculpt your midsection. You'll enjoy fun, easy to follow low impact, Pilates, and Athletic-Type moves that specifically target and recruit your core muscles. You'll feel successful and see results in no time at all. Core Force can be done with or without a step - it's your choice. You can also exercise anywhere from 20 to 50 minutes, in ten-minute increments, when you're pressed for time.
A core-focused aero/tone workout that alternates intervals of high-energy cardio with mostly floorwork toning. You get an endlessly changing medley of varied movements. Every minute brings a smooth transition to something new — sometimes just changing exercises, sometimes changing entire body positions (e.g. up for power jumps, down for planks, up for repeaters, down for crunches ...). The exercises are high-intensity and straight forward — all with a true core emphasis (as primary movers, not just stabilizers). Requires 3 to 5 lb. dumbbells; they’re used in the cardio segments. A step is optional (Anni does the workout on a step, her assistant does not).