An inflatable device to be positioned between a body portion and an underlying surface includes one or more inflatable cells. In some embodiments, the inflatable device also includes a dressing, attached to the one or more inflatable cells, to be secured to a patient's skin. In some embodiments, the inflatable device also includes an adhesive to secure the one or more inflatable cells to a patient's skin. The inflatable device is secured to the body portion, coupled to a pump, and repeatedly inflated and deflated.