Bariatric bed

A cushion apparatus for supporting legs of a patient on a bed including an articulating deck having a foot section that is movable from a generally horizontal position to a generally vertical position, the cushion apparatus comprising an air bladder coupled to the foot section, the air bladder being supported above the foot section and inflated when the foot section is in its horizontal position and deflated when the foot section is in its generally vertical position, the air bladder having a bottom surface, a side wall, and a contoured top surface, the top surface of the air bladder having a central elevated portion configured to define first and second spaced apart zones for receiving and separating first and second legs, respectively, of the patient, and the cushion apparatus further comprising a cover surrounding the air bladder, and an elastic cord coupled to the cover, the elastic cord being configured to gather the cover and the air bladder toward the foot section of the deck as the air bladder is deflated.