Having broken my back a long time ago, this unit gives me relief which heretofore I have never had available. For this, I can only say, Thank You!
Astronaut Marsha Ivins said NASA
uses the BackUp Nada-Chair.
Nada-Chair is used by physicians
for proper posture. - NewsweekApple's Co-Founder Steve Wozniak
bought Nada-Chair productsNada-Chair's products help people
prevent slouching. - Yoga Journal