A practical treatise on fractures and dislocations . causes are the same orsimilar to those which are knowngenerally to produce dislocationsinward; only that the force ofthe concussion or the direction ofthe rotation must have been re-versed. The external lateral liga-ments, peroneo-tarsal, are eitherruptured, or the lower portion ofthe fibula gives way, or both ofthese circumstances may have hap-pened ; while the internal malle-olus may also yield to the shockand to the weight of the bodynow resting upon it. The natureof the accident may vary also inrespect to the relative positionof the arti
A practical treatise on fractures and dislocations . causes are the same orsimilar to those which are knowngenerally to produce dislocationsinward; only that the force ofthe concussion or the direction ofthe rotation must have been re-versed. The external lateral liga-ments, peroneo-tarsal, are eitherruptured, or the lower portion ofthe fibula gives way, or both ofthese circumstances may have hap-pened ; while the internal malle-olus may also yield to the shockand to the weight of the bodynow resting upon it. The natureof the accident may vary also inrespect to the relative positionof the articular surfaces; theastragalus may simply rotate onits inner and upper margin, orthe tibia, with the fibula, ofcourse, may actually slide outward until the lower end of the tibia moreor less completely abandons the upper surface of the astragalus. 1 Townsend, Mass. Hosp. Reports, Boston Med. and Surg. Journ., vol. xxxiii. p. 277. 2 Berard, The Lancet, 1844, vol. i. p. 8. 3 Valentin, These de Strasbourg, 1866, No. 970; Arch. Gen de Med., t. 1.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjec, booksubjectfractures
