The position of the body in the chair is in the least stressed position. Tendons don't have to pull around corners. This improves nutrition to frequently used tendons and decreases overall friction and irritation. The arms and back are supported by the chair, minimizing stress to shoulders, neck and back. The forearms, wrists and hands are supported.
Shoulders fall back naturally, minimizing stress to muscles and tendons.
The same worker described above that is complaining of pain in the neck and shoulder girdle, or elbow, wrist, or hands at the end of each work day. The physician may approve the use of the Interfaces Keyboard as a conservative measure in the patient's treatment regime. The post-operative worker who is coming back to work after surgery and possibly rehabilitation. This worker may have a more successful or earlier return to work if they are provided the most optimal positioning for work conditioning. And finally, for those workers who are presently unable to do data entry work because of symptoms of CTD's.