A New Fracture Model for “Terrible Triad” Injuries of the Elbow: Influence of Forearm Rotation on Injury Patterns

Fitzpatrick MJ, Diltz M, McGarry MH, et al (VA Long Beach Healthcare System, CA) J Orthop Trauma 26:591-596, 2012^§

Abstract

Objective

The purpose of this study was to evaluate the influence of forearm rotation on failure patterns of the elbow under axial loads.

Methods

Fourteen upper extremities were resected mid-humerus and mounted on a custom apparatus, which allowed rotation of the ulna, radius, and humerus about a fixed wrist while loading in axial compression. Seven specimens were loaded to failure with the forearm in pronation and 7 in supination.

Results

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