Working under the supervision of a physical therapist, physical therapy assistants help patients perform exercises designed to improve mobility or reduce pain. Earn an associate's degree from an accredited program and you could join the workforce as a physical therapy assistant. Physical therapy assistant degrees cover anatomy, physiology, and CPR to help prepare you to pass the licensure exams required by some states. With job growth predicted to be over 27% for the next seven years, there's no reason not to pursue a career as a physical therapy assistant.