Follow up study:

This experiment may not have been a true test of the FAKs effect on extension because the vertical angle, or slope of the FAK keyboard position did not vary much from a straight or neutral position. A small follow up study using two subjects from the original study (#2 and #6) was conducted in order to investigate how the vertical slope of the FAK affects wrist extension. The FAK was placed in three positions: angled up towards the user at 15 degrees, set at 0 degrees extension, and angled away from the user at 15 degrees.