APPARATUS FOR A SEAT, MORE PARTICULARLY A VEHICLE SEAT, FOR MOBILIZING AT LEAST ONE REGION OF A SPINAL COLUMN OF A SEAT OCCUPANT, METHOD FOR SEQUENTIALLY DRIVING AN APPARATUS AND SEAT, MORE PARTICULARLY VEHICLE SEAT

An apparatus for a vehicle seat for mobilizing at least one region of a spinal column of a seat occupant sitting in the seat may have a plurality of expandable elements, which may be each filled or fillable with a medium. The expandable elements are drivable sequentially. A method for sequentially driving the apparatus and and a vehicle seat are also provided.