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. 1998;22(2):102-6.
doi: 10.1007/s002640050218.

The posterior interosseous nerve and the radial tunnel syndrome: an anatomical study

A E Portilla Molina  1 , C Bour, C Oberlin, A Nzeusseu, R Vanwijck
Affiliations

The posterior interosseous nerve and the radial tunnel syndrome: an anatomical study

A E Portilla Molina et al. Int Orthop. 1998.

Abstract
in English, French

Twenty anatomical specimens were carefully studied in order to establish a possible connection between the posterior interosseous nerve and the radial tunnel syndrome. Our results show that the posterior interosseous nerve distal to the supinator muscle may be compressed by various structures. These include the distal border of the supinator muscle, the ramifications of the anterior and posterior interosseous vessels, and the septum between the extensor carpi ulnaris and the extensor digitorum minimi. The posterior interosseous nerve is also stressed during passive supination (elongation and rotation), and during passive pronation (compression). This suggests that the interosseous nerve distal to the supinator muscle should be explored in radial tunnel compression syndromes.

Les auteurs ont étudié 20 spécimens anatomiques pour rechercher les liens entre le nerf interosseux postérieur et le syndrome du tunnel radial. L’étude montre que le nerf interosseux postérieur peut être comprimé par diverses structures au-delà du muscle court supinateur: le bord inférieur du court supinateur, les ramifications des vaisseaux interosseux antérieurs et postérieurs et le septum existant entre le cubital postérieur et l’extenseur propre du 5èmee doigt. Le nerf interosseux postérieur est de plus soumi à des strictions lors de la supination passive (élongation et rotation) et lors de la pronation passive (compression). Ceci suggère que le nerf interosseux postérieur doit être exploré dans sa portion distale au-delà du court supinateur lors du traitement des syndromes du tunnel radial.

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