In this article a proposal is formulated for adjustment of the Classification of Impairments and the Classification of Disabilities of the International Classification of Impairments, Disabilities, and Handicaps (ICIDH). This proposal is a product of a project from the Dutch National Institute of Research and Postgraduate Education in Physical Therapy. This project is conducted in close cooperation with the professional national organizations of five health professions. To give an indication of the kind of changes proposed, the disabilities and impairments necessary for classifying the complaints, the examination findings, the treatment goals and the treatment results in patients with gait problems are discussed.