In 1921, a group of professionals create the American Women's Physical Therapeutic Association that included 274 members.
In 1922, the association changed its name to the American Physiotherapy Association and allowed men to join. The membership grew to just under 1000.
During this decade the use of PT's starts to increase due to the polio outbreak, and the events from WWII. The association changes its name to American Physical Therapy Association.
During this decade the APTA has reached almost 15,000 members, and there are 52 PT educational programs.
In 1974, the APTA creates a division of Physical Therapy for professionals specializing in Orthopedics.
Thanks to the advancements in medical technology, the profession of PT was introduced to electrical stimulation, which helped with treatment and healing of patients.
On September 1, 2019, Texas legislation passes a law resulting in the 49th state to allow direct access.
The APTA currently includes 95,000 members, and there are 213 PT education programs in the U.S.