a. This article shall not be construed to affect or prevent a physical therapist assistant student from engaging in clinical assisting under the supervision of a licensed physical therapist as part of a program conducted in an approved program for physical therapist assistants or in a clinical facility or health care agency affiliated with the program for physical therapist assistants.b. Supervision of a physical therapist assistant student by a licensed physical therapist shall be on-site supervision and not necessarily direct personal supervision.c. Nothing in this article is intended to affect the overall medical direction by a licensed physician of a physical therapist assistant.