Seat Elevation in Power Mobility Seat elevation in a power wheelchair is a lift of the seat pan on the vertical plane, as the picture below illustrates. Seat elevation raises and lowers the height of the seating system, without changing seat to back or seat to floor angles. While seat elevation can be prescribed with other power positioning features, such as power tilt, recline and elevating leg rests, the focus of this month's Clinical Corner article will be solely on power seat elevation. 2016-11-29 Keep Reading