Hmmm
Dr. Patrik Künzler believes chairs should instead encourage small but constant motions that are good for the body. He spent six years developing a product to challenge the convention that a comfortable chair should have a flat seat and a back. The $8,500 LimbIC chair, released in 2011, incorporates ergonomics and neuroscience to stimulate not just the body, but also the emotions.
via This $8,500 Smart Office Chair Never Stops Moving – Businessweek.
Pricey