Orientation of the sigmoid notch of the distal radius: determination of different types of the distal radioulnar joint.


Published online: Sep 27 1993

L De Smet, and G Fabry.

University Hospital, Department of Orthopedics, Katholieke Universiteit Leuven, Pellenberg, Belgium.

Abstract

The orientation of the sigmoid notch of the distal radius is related to the ulnar length. In the ulna plus there is a spherical notch, in the ulna minus it is conical and in neutral it is usually cylindrical, sometimes conical.

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