Practicing Side Plank. 1  1. Start on your hands and knees. 2  2. Push your seat to your heels. 3  3. Get into plank pose.  4. Roll your body to the 1  right. 5. Return to plank pose.  6. Roll towards your left 1  side. 7. Attempt different variations of side 2  plank. 8. End your side plank practice.