7. Reverse crunches
Another abdominal movement with lower back involvement.
How to do: Begin flat on the back on a mat with the arms at the sides and palms down on the mat for support. Lift the legs above you until they are at a right angle and hold.
Lift the pelvis and buttocks off the floor and push the legs and hips up toward the sky and hold briefly. Perform 2 or 3 sets of 10-15 repetitions.

Image Source: Womens Health Mag
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