Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Types of the distal radioulnar joint (DRUJ). (A) Type I: The apposing joint surfaces (b & c) are parallel to the long axis of the ulna (a). (B) Type II: The apposing joint surfaces (b & c) are oblique to the long axis of the ulna (a). The sigmoid notch and the ulnar seat angles are positive. (C) Type III: The apposing joint surfaces (b & c) are reversely oblique to the long axis of the ulna (a). The sigmoid notch and the ulnar seat angles are negative.
