Heartburn occurs when the lower esophageal sphincter (LES) -- the passageway from your esophagus to your stomach -- relaxes inappropriately and food comes back upward, or when the stomach produces too much acid and this is refluxed into the esophagus.
Source: *U.S. Rehab Aide Job Description. Rehabilitation aides, working under the direct supervision of a physical therapist or assistant, assist in the productive operation of a physical therapy practice. Aides often maintain the treatment area and prep therapy sessions, aiding in the transport of immobile patients.
Physical therapist aides typically do the following: 1  Clean treatment areas and set up therapy equipment. 2  Wash linens. 3  Help patients move to or from a therapy area. 4  Do clerical tasks, such as answering phones and scheduling patients.