. A practical treatise on fractures and dislocations. Fracture of the lower end of theradius. Displacement backward.(R. W. Smith.) Fracture of the lower endof the radius. Displacementof lower fragment backward.(R. W. Smith.) Fracture of the lowerend of the radius. Angu-lar displacement of thelower fragment back-ward with impaction.(R. W. Smith.) hinge, crushing or penetration with impaction taking place posteriorlyand outwardly, and the articulating surface looking downward andbackward instead of downward and forward as it does normally;at the same time the styloid process rises to a higher le
. A practical treatise on fractures and dislocations. Fracture of the lower end of theradius. Displacement backward.(R. W. Smith.) Fracture of the lower endof the radius. Displacementof lower fragment backward.(R. W. Smith.) Fracture of the lowerend of the radius. Angu-lar displacement of thelower fragment back-ward with impaction.(R. W. Smith.) hinge, crushing or penetration with impaction taking place posteriorlyand outwardly, and the articulating surface looking downward andbackward instead of downward and forward as it does normally;at the same time the styloid process rises to a higher level. Anextreme example of this displacement, with union, is shown inFig. 164. Sometimes the styloid process of the ulna is broken off,apparently by avulsion through the lateral ligament or possibly thefibro-cartilage. Some authors have noted this complication in morethan half of their cases; it has appeared in less than 10 per cent, ofmy skiagrams. Specimens of recent fracture are not very common, and many ofthose we possess are open to the objectio
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