title: Disorders of the distal radioulnar joint.
abstract: The distal radioulnar joint is responsible for stable forearm rotation. Injury to this joint can occur following a variety of mechanisms, including wrist fractures, ligamentous damage, or degenerative wear. Accurate diagnosis requires a clear understanding of the anatomy and mechanics of the ulnar aspect of the wrist. Injuries can be divided into three major categories for diagnostic purposes, and these include pain without joint instability, pain with joint instability, and joint arthritis. New advancements in imaging and surgical technique can allow for earlier detection of injuries, potentially preserving joint function. In this article, the authors review the pertinent anatomy, biomechanics, and major abnormality involving the distal radioulnar joint.
authors.affiliation: Rochester, Minn. From the Department of Orthopedic Surgery and the Division of Plastic and Reconstructive Surgery, Mayo Clinic.
authors.forename: Matthew T
authors.initials: MT
authors.lastname: Houdek
authors.forename: Eric R
authors.initials: ER
authors.lastname: Wagner
authors.forename: Steven L
authors.initials: SL
authors.lastname: Moran
authors.forename: Richard A
authors.initials: RA
authors.lastname: Berger
mesh_terms: D006801:Humans; D007592:Joint Diseases / Q000175:diagnosis / Q000601:surgery; D007593:Joint Instability / Q000175:diagnosis; D014955:Wrist Joint / Q000033:anatomy & histology