"The crew members of the Shuttle who used it, liked it for relieving micro G-force induced back pain." __ Marsha Ivins, NASA Astronaut
"Even better than a contoured chair or back brace." __ Stephen D. Kuslich, M.D.
"One of the most comfortable means of sitting that I have experienced." __ Arthur White, M.D.
"Eliminates slouching and makes perfect posture easy and comfortable." __ Rugh Charash, Ergonomist
"Helps maintain correct posture and eliminate back strain - very comfortable and supportive." __Julie Cuicas, R.P.T.
"Nada-Chair® has won the endorsement of the World Chiropractic Alliance." __ Terry A. Rondberg, D.C.