Abstract: An apparatus 1 to aid walking, the apparatus 1 comprising a base unit 3, housing a motor; and further comprising first and second horizontally orientated foot supports 6,7, mounted for back and forth parallel motion relative to the base unit 3; the foot supports 6,7 each being operably connected to the motor; a foot support comprising a plurality of planar members 5, including a base plate 41, an intermediate plate 44 and a foot plate 45 having an upper surface to receive a user's foot, the intermediate plate 44 being pivotally linked at a first end to the base plate 41 and at a second end to the foot plate.