ATI Physical Therapy, Inc. operates as an outpatient physical therapy provider that provides outpatient rehabilitation and adjacent healthcare services through its clinics in the United States. It offers a range of services to its patients, including physical therapy to treat spine, shoulder, knee, and neck injuries or pain; work injury rehabilitation services, such as work conditioning, work hardening, and hand therapy; and other specialized treatment services. The company also provides aquatic therapy, functional capacity evaluation, wellness programs, and techniques that include therapeutic exercise, manual therapy, and strength trainings.