A practical treatise on fractures and dislocations . ted into the first and last phalanx,and especially in the Hey believes the resistance to be in thelateral ligaments between which the lower end of the metacarpal boneescapes and becomes imprisoned. Ballingall, Malgaigne, Erichsen, and Vidal (de Cassis) think the meta-fig. 287. carpal bone is locked between the two heads of the flexor brevis, or rather be-tween the opposing sets of muscles whichcentre in the sesamoid bones, as a buttonis fastened into a button-hole. Pailloux,Lawrie, Michel, Leva, Blechy, and Roseraffirm that the ant
A practical treatise on fractures and dislocations . ted into the first and last phalanx,and especially in the Hey believes the resistance to be in thelateral ligaments between which the lower end of the metacarpal boneescapes and becomes imprisoned. Ballingall, Malgaigne, Erichsen, and Vidal (de Cassis) think the meta-fig. 287. carpal bone is locked between the two heads of the flexor brevis, or rather be-tween the opposing sets of muscles whichcentre in the sesamoid bones, as a buttonis fastened into a button-hole. Pailloux,Lawrie, Michel, Leva, Blechy, and Roseraffirm that the anterior ligament beingtorn from one of its attachments, fallsbetween the joint surfaces and interposesan effectual obstacle to reduction. Du-puytren ascribes the difficulty to the al-tered relations of the lateral ligaments,ciove hitch. which are naturally parallel to the axis of the metacarpal bone, but which arenow placed at a right angle; to the spasm of the muscles, and to theshortness of the member, in consequence of which the force of extension. 1 Lawrie, of Glasgow, says that Sir Astley in a conversation with him declaredthat the sesamoid bones were the sources of the difficulty. See Amer. Sci., vol. xxii, p. 230, with observations and experiments by Lawrie. FIRST PHALANX OF THE THUMB BACKWARDS. 663 has to be applied very near to the seat of the dislocation. Lisfrancfound in an ancient luxation the tendon of the long flexor so displacedinwards and entangled behind the extremity of the bone as to preventreduction. Deville discovered in an autopsy a similar displacementof this tendon outwards. Wadsworth has made the same The modes of reduction practiced and recommended by these differ-ent surgeons are as diversified and irreconcilable as their views of themechanism and pathological anatomy of the accident. Sir Astley Cooper recommends that extension shall be made bybending the thumb toward the palm of the hand, to relax the flexormuscles as much as p
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectfractur, bookyear1875
