Hand: Bone and Ligament

The Stabilizing Effect of the Distal Interosseous Membrane on the Distal Radioulnar Joint in an Ulnar Shortening Procedure: A Biomechanical Study

Arimitsu S, Moritomo H, Kitamura T, et al (Mayo Clinic, Rochester, MN) J Bone Joint Surg Am 93:2022-2030, 2011^§

Abstract

Background

The importance of the stabilizing effect of the distal interosseous membrane on the distal radioulnar joint, especially in patients with a distal oblique bundle, has been described. The purpose of this study was to evaluate the stability of the distal radioulnar joint after an ulnar shortening osteotomy and to quantify longitudinal resistance to ulnar shortening when the osteotomy was proximal or distal to the ulnar attachment of the distal interosseous membrane. These relationships were characterized for forearms with or without a distal oblique bundle.

Methods

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