It is well known that small movements can help to re-establish blood flow to areas which have been under pressure, thus reducing the risk of pressure ulceration. The Volker MiS® and Volker MiS® Activ micro-stimulation systems (Volker, Germany) are unique mattress support surfaces which reduce the risk of pressure ulcer development by redistributing pressure and providing kinaesthetic feedback which maintains and improves the autonomic movement of the patient.