In one embodiment of a positioner, two opposing end beams may be cooperatively engaged with two opposing side beams. A first lowering unit may be cooperatively engaged with either a first end beam or first ends of the two opposing side beams. A second lowering unit may be cooperatively engaged with either a second end beam or second ends of the two opposing side beams. Legs and leg extensions may be cooperatively engaged at either end of either end beam, and pads may be placed on the distal ends of each leg extension. Actuators corresponding to each leg and leg extension may be in communication with a control unit to control the position of each actuator. Lateral extensions may be engaged with each end beam.
