These moderate core strengthening exercises are a progression from my beginner core exercises, and these intermediate core exercises are a great next step once the beginner ones become too easy. Core exercises are very important to have a healthy and stable back as well as the whole body. The core is not only the front, sides, and back of the trunk, but it is also the pelvic floor.
More Doctor Jo Videos about Core Strengthening:
Back Pain Core & Back Strengthening Exercises
Exercise Ball Core and Back Strengthening Exercises (Moderate)