An apparatus for triggering, changing or ending device functions by means of foot movements can include a resting surface for the sole of a foot and at least one switch, arranged in the region of the resting surface and at a fixed distance from the resting surface, for closing or opening an electrical or control circuit. An actuating element can be associated with the switch to initiate its switching functions. The apparatus can also include a means for transmitting foot movements to the actuating element. The switch can be a proximity switch and the actuating element can be mounted such that it can move in a direction following the respective foot movement, with the result that, owing to the foot movement, the actuating element can be brought closer to the proximity switch therefore triggering the switching function.