A system for adjusting a position of a wheelchair occupant includes a sensor configured to generate sensor data based on the position of the occupant, an adjustment system coupled to a support point on the wheelchair and configured to be coupled to a support point on the occupant's clothing, and a processing circuit. The adjustment system is configured to extend and retract at least one adjustment element to adjust the position of the occupant, and the processing circuit is configured to determine the position of the occupant in the wheelchair based on the sensor data and adjust the adjustment element based on the determined position of the occupant.