9 Downloadable computer software for controlling fluid flow into chambers of a medical device; computer hardware; downloadable software for use with medical devices that facilitate improved blood flow through a living body by alleviating pressure applied thereto; downloadable software for use with medical devices that alleviate pressure applied to a living body by an underlying structure; downloadable software for computing devices, namely, software for managing a medical device that alleviates pressure applied to a living body by an underlying structure; downloadable software for computing devices, namely, software for controlling fluid flow into chambers of a medical device to be positioned beneath a living body; downloadable software for processing, examining, and analyzing data generated by a medical device that alleviates pressure applied to a living body by an underlying structure; downloadable software for processing, examining, and analyzing data indicative of movement of a living body to determine a health state; computer hardware, namely, computing device for managing inflation of a medical device to be situated beneath a living body; computer hardware, namely, computing device for managing inflation of a medical device to alleviate pressure applied to a living body by an underlying structure; electromechanical controller for controlling inflation of a multi-chamber device situated beneath a living body in accordance with a programmed pattern; electromechanical controller for controlling inflation and deflation of a device with multiple chambers; downloadable computer software for use with medical devices for the prevention and treatment of pressure ulcers, for receiving, processing, transmitting and displaying data