Amazon.com: Enovi ProBalanceΩ Ball Chair, Yoga Ball Chair Exercise Ball Chair with Slipcover and Base for Home Office Desk, Birthing & Pregnancy, Stability Ball & Balance Ball Seat to Relieve Back Pain,
I have lower back pain. Should I seat on a stability ball at the office?
Is Using an Exercise Ball for an Office Chair a Good Idea? - Integrated Health & Injury Center