Provides a "well" in the rear section of the cushion along with Abduction and Adduction contouring at the front of the cushion. This "well" offers lateral support at the Trochanteric region as well as providing an Anti-Thrust effect at the front of the well. This modification is helpful in maintaining a neutral tilt in the pelvis while keeping it in its proper position on the cushion from both perspectives; front to back and side to side. (½" recess to the 60% rear portion of the seat cushion)