Intervention — is the purposeful interaction of the physical therapist with the patient/client/group of clients/patients, and, when appropriate, with other individuals involved in patient/client care, using various physical therapy procedures and techniques (including therapeutic exercise; functional training in self-care and home management; functional training in work, community, and leisure integration or reintegration; manual therapy techniques; prescription, application, and, as appropriate, fabrication of devices and equipment; airway clearance techniques; integumentary repair and protection techniques; electrotherapeutic modalities; physical agents and mechanical modalities) to produce changes in the condition. [1]


American Physical Therapy Association. Guide to Physical Therapist Practice. Second Edition. Physical Therapy 2001: 8:1;9-744