Abstract
The goal of treatment in distal radius fracture is to restore the anatomy of the distal radius, however the criteria currently used to evaluate the quality of reduction are based on Western based published figures. This goal of this study was to investigate whether there are variations in the morphology of the distal radius among the multiracial population of Malaysia. Consecutive normal wrist radiographs of patients who presented to the accident and emergency unit in three major hospitals in Malaysia were measured. . The palmar tilt of the distal radius averaged 12.6o ± 3.55o, and the radial inclination averaged 25.1o ± 3.42o. The ulnar variance averaged ‐ 0.1 ± 1.31mm, 38.4% of the patients had neutral ulnar variance, 28.8% have negative ulnar variance and 32.9% have positive ulnar variance. Our results indicate that distal radius morphometric parameters in the Malaysian population are comparable to Western figures.
Highlights
The interaction between the morphometry of the distal radius and wrist biomechanics has been previously reported
The changes that occur with radial shortening and decreased radial inclination have been described
In 1994, Miyake and colleagues investigated the effects of artificially created dorsal tilt in twenty cadaver upper extremities, and found that in the neutral position, stress was Radius Morphometry in the Malaysian Population concentrated at the volar regions of the radio-lunate joint
Summary
The interaction between the morphometry of the distal radius and wrist biomechanics has been previously reported. Three of the most important morphometric parameters of the distal radius are palmar tilt, radial inclination and ulnar variance. In 1987, Short et al, performed a cadaver study that demonstrated the importance of the palmar tilt. Increasing dorsal angulation was shown to increase the load that passes through the ulna. The pressure distribution in the ulnar and radial articular surface became more concentrated with increased dorsal angulation 1. The changes that occur with radial shortening and decreased radial inclination have been described .2,3
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