You might want to rethink using a stability ball as your desk chair - The Washington Post
The Benefits and Drawbacks of Sitting on a Stability Ball: Weighing Pros and Cons | livestrong
Ballgame | CSI Ergonomincs
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Exercise Ball Chair: Active Sitting Pros and Cons
Standing Desk Vs. Exercise Ball (At Your Desk) — Do It At Your Desk
Don't Use Your Fitness Ball As An Office Chair | Posturite
Faux Fur-Covered Exercise-Ball Desk Chair Is a Real Thing You Can Buy - Philadelphia Magazine
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