Administers active and passive manual therapeutic exercises, balance and proprioceptive training, therapeutic massage, mobilization of tissue and joints, traction, and heat, light, sound, water, and electrical modality treatments such as ultrasound, electrical stimulation, ultraviolet, infrared, and hot and cold packs. The Physical Therapy Assistant (PTA) assists the licensed physical therapist in administering physical therapy treatment in the home setting for patients suffering from injuries, neurological conditions, developmental delays, or muscle, nerve, joint and bone disease, to restore function and prevent disability.