American Physical Therapy AssociationThe American Physical Therapy Association is a professional organization whose 80,000 members include physical therapists (PTs), physical therapist assistants (PTAs), and students of physical therapy. The APTA seeks to improve the public's health by advancing physical therapist practice, education, and research. Each member of the APTA is a member of the chapter of the state where the member resides. The website of the APTA provides a way for the public to: search for a physical therapist in their area; "Ask a Physical Therapist" a question online; receive alerts on important legislation; find information on insurance coverage for physical therapy; receive tips on injury prevention.