Balance Ball Therapy: 4 Exercises for Back and Knee Problems - Gaiam

You've seen how crunches on a Balance Ball stability ball can tone your abs. But stability balls are also a rehab tool. Try these four exercises guided by physical therapist Chantal Donnelly to help prevent and treat injuries and pain in the back or knees.

Balance Ball Therapy: 4 Exercises for Back and Knee Problems - Gaiam