11.5.2-6 Seat Pan Configuration

The seat pan configuration should have the following characteristics:

 

  1. avoid compressing the thighs and the backs of the knees so as to cause fatigue and circulation problems
  2.  

  3. have a rounded front edge
  4.  

  5. preferably have a rounded front edge “waterfall” contour with a sufficiently large radius of curvature to minimize leg circulation problems 5908, 0700, 100