. Atlas and epitome of traumatic . ction is effectedby means of abduction toward the uninjured side so as toovercome the locking of the processes, followed by back-ward rotation of the head on the injured side. In per-forming abduction not only the head, but all that portionof the neck above the dislocated joint, must be firmlyheld and properly supported. In a flexion-luxation thetwo sides are successively treated and reduced as in arotatory luxation. After the dislocation has been reducedthe parts must be kept rigid for several weeks by meansof some appropriate dressing, such as a stiff colla
. Atlas and epitome of traumatic . ction is effectedby means of abduction toward the uninjured side so as toovercome the locking of the processes, followed by back-ward rotation of the head on the injured side. In per-forming abduction not only the head, but all that portionof the neck above the dislocated joint, must be firmlyheld and properly supported. In a flexion-luxation thetwo sides are successively treated and reduced as in arotatory luxation. After the dislocation has been reducedthe parts must be kept rigid for several weeks by meansof some appropriate dressing, such as a stiff collar. Of the remaining dislocations occurring in the cervicalportion of the cord, luxation of the head (between theatlas and the occiput) by excessive flexion or extension ofthe head, and luxation of the atlas (between the atlas andaxis) may be mentioned; in both these luxations deathusually results from accessory injuries. Dislocations in the thoracic and lumbar regions areextremely rare. Their occurrence has, however, been Tab. Ltih incite FRACTURES OF THE THORAX. 123 unmistakably proved in the postmortem room. Duringlife they cannot be recognized; that is to say, it is hardlypossible to exclude fracture. Anterior, posterior, and so-called abduction-luxations have been observed. The prognosis is unfavorable owing to injury of thecord. Attempts at reduction should be made by extensionand counterextension and direct pressure. V. FRACTURES OF THE THORAX(A) FRACTURES OF THE RIBS. (Plates 21 and 22.) Owing to the great mobility of the lowest ribs and theposition of the upper ones, protected as they are by theoverlying muscles and clavicle, fractures in these twodivisions are comparatively rare. Excluding these, how-ever, fracture of the ribs is a very common accident, andconstitutes about 15 fo of all fractures. In children, owingto the exceeding elasticity of the ribs, fractures are veryrare. Fractures of the ribs are produced by direct and byindirect violence when the thorax i
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