How to Strengthen your entire body with the side ab plank
Think the plank pose is just about hard enough to make you cry for your momma? Well, you haven't seen - or done - nothing yet. Watch this video to see how to maneuver the side plank pose, which basically tips the plank pose on the side for a full body exercise.
You can add an elastic band to increase resistence between shoulders. These elastic bands can be found in most sporting goods store for a low price.