Popular Science: I Work, Ergo I Hurt
(Popular Science, February 2003) by Jenny Everett
In this article, Humanscale's Saddle and Freedom chairs are highlighted as innovations that promise to ease pain.
Properly adjusted seat height helps distribute body weight. Position your seat height to allow a knee angle of at least 90 degrees with your feet fully supported by the floor or a footrest.
Ergo Gear Guide