(Tıp, İlaç) The supine position (pronounced /ˈsuːpaɪn/) is a position of the body: lying down with the face up, as opposed to the prone position, which is face down, sometimes with the hands behind the head or neck. When used in surgical procedures, it allows access to the peritoneal, thoracic and pericardial regions; as well as the head, neck and extremities. A study claims that people solve anagrams significantly faster when supine than when standing