Over the course of the physical therapist's career, scope of practice evolves based on considerations including, but not limited to, societal needs; progressive professional development activities of the physical therapist; modifications to jurisdictional laws and regulations; advancements in knowledge, research, clinical skills, and technology; and the evolving health delivery system. The professional scope of practice consists of patient and client management, which includes diagnosis and prognosis, to optimize physical function, movement, performance, health, quality of life, and well-being across the lifespan.