Plank Circuit 1. Plank Jacks 2. Reptile Plank 3. Regular Plank 4. Elbow Plank 5. Up-Down Plank 6. Cross-Body Knee Tucks (Do each of the 6 moves for 20 seconds. Repeat entire 2-minute circuit 3 times, taking a 30-second break in between each round. Depending on your level of fitness, you can decrease or increase the interval length.)
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Best way to get really toned abs is to do the PLANK! Here are 7 Plank Moves to tighten your core in only 30 seconds. That's 3 minutes to fabulous abs.