Learn foundational physical therapy principles, medical terminology, tasks, and responsibilities needed to work as a certified physical therapy aide. The training you will receive during your online physical therapy aide program will help you master the skills you need to work as an in-demand physical therapy aide. During this course, you will also prepare for the Physical Therapy Technician/Aide Certification (PTTC) exam offered by the American Medical Certification Association (AMCA). Students must be 18 years old and have a high school diploma in order to complete the PTTC exam.