. A practical treatise on fractures and dislocations. Fracture of olecranon, x-ray Fracture of olecranon. a--ray tracing. Another variety of fracture, partial or complete, and produced fromwithin outward,-has been spoken of by different Avriters as theoreticallvpossible, but has only recently been observed and described • produced it experimentally in the effort to dislocate the ulnabackward by over-extension (extension beyond the straight line) of theforearm. The end of the olecranon is pressed againt the humerus,the lateral ligaments resist the movement,
. A practical treatise on fractures and dislocations. Fracture of olecranon, x-ray Fracture of olecranon. a--ray tracing. Another variety of fracture, partial or complete, and produced fromwithin outward,-has been spoken of by different Avriters as theoreticallvpossible, but has only recently been observed and described • produced it experimentally in the effort to dislocate the ulnabackward by over-extension (extension beyond the straight line) of theforearm. The end of the olecranon is pressed againt the humerus,the lateral ligaments resist the movement, and the prolongation oi theeffort results in fracture of the olecranon or, much more commonlv, o{the thinner and weaker shaft of the ulna. Quintin- reports threecases of incomplete fracture of the olecranon ; the surface articulatingwith the humerus was broken, the dorsal portion was unbroken ; in all ^ Pingaud : Diet. Encylopodiqno. ;nt. Coiulc. up. ,>17 and (VM. ? Quintin : Reitrag; znr IaAwv von don Briichon des Olckranon. Bonn. ISSl, Abstract inCentralblalt fiir (Miirur>j;ic, 1S81.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfractur, bookyear1912
