6. Rolling Plank Exercise: The rolling plank exercise is another popular exercise that will work great on your lower back, hip and abdomen areas. How To Do: Take your position on the floor or a mat in such a way that your knees and elbows are resting on the ground. You need to look forward so that your neck is aligned with your spine. Now lift the knees up so that you support your legs now on your toes. Now contract your knees and keep it in this plank pose for about 30 seconds. Make sure tha...