Positioning system

A positioning system for positioning a patient for therapy comprising:

• a support plate including a bottom surface for engaging a support surface to locate the support plate for therapy, and an upper surface;
• a headrest assembly mounted on the upper surface of the support plate for supporting a head, neck and shoulder area of the patient, the headrest assembly including a plurality of inflatable bladders for adjusting a position of the patient's head, neck and shoulders to selectively position the patient's head and neck for therapy, and a headrest defining a plurality of holes that positions the plurality of inflatable bladders such that top surfaces of the inflatable bladders are exposed through the holes in the headrest for directly engaging the patient, wherein the plurality of inflatable bladders includes a first bladder, a second bladder, and a third bladder centered about and disposed on a central longitudinal axis of the support plate and spaced apart from each other along the central longitudinal axis, wherein the first bladder comprises a single bladder, the second bladder comprises a single bladder, and the third bladder comprises a single bladder.