Pediatric physical therapy helps children with developmental delays or disabilities improve their mobility and independence. The document discusses how physical therapy can benefit children with conditions like Down syndrome, spina bifida, or prematurity. It also profiles a patient named Kyra who is receiving therapy to achieve goals like walking independently and describes the therapist's process of assessing her needs, developing a treatment plan, and using techniques like walker therapy. The overall document outlines the purpose and benefits of pediatric physical therapy.