Complete 50 reps for each of the following exercises, without any rest between exercises. After completing one full circuit, rest 60 – 90 seconds and start again. Complete a total of 5 circuits
Warning: Not for the faint of heart exercise. Wall Plank Knee Tucks will give you an insanely toned core but they're not easy.
This is why we plank! 30 day challenge. This is the BEST for toning and stregthenning my core.
Tighten Your Core and Lower Body With Reverse Planks