Texas Occupations Code - OCC § 453.005. Practice of Physical Therapy

(1) measurement or testing of the function of the musculoskeletal, neurological, pulmonary, or cardiovascular system;

(2) rehabilitative treatment concerned with restoring function or preventing disability caused by illness, injury, or birth defect;

(3) treatment, consultative, educational, or advisory services to reduce the incidence or severity of disability or pain to enable, train, or retrain a person to perform the independent skills and activities of daily living;  and

(4) delegation of selective forms of treatment to support personnel while a physical therapist retains the responsibility for caring for the patient and directing and supervising the support personnel.