. Atlas and epitome of traumatic . Lith. Aftst. /: Rewhhold Munch en. FRACTURES OF THE VERTEBRAL COLUMN. Ill Various forms of fracture of the body of a ver-tebra are distinguished: Oblique fractures are the most common, and show a ten-dency to marked dislocation (compare Plate 18). Theline of fracture is usually directed from above and behind,forward and downward. Longitudinal fractures are extremely rare. Transverse fractures are observed in so-called contusion-fractnres or compression-fractures of the vertebral column;they occur when the column is subjected to extremeflexion and simultaneous
. Atlas and epitome of traumatic . Lith. Aftst. /: Rewhhold Munch en. FRACTURES OF THE VERTEBRAL COLUMN. Ill Various forms of fracture of the body of a ver-tebra are distinguished: Oblique fractures are the most common, and show a ten-dency to marked dislocation (compare Plate 18). Theline of fracture is usually directed from above and behind,forward and downward. Longitudinal fractures are extremely rare. Transverse fractures are observed in so-called contusion-fractnres or compression-fractures of the vertebral column;they occur when the column is subjected to extremeflexion and simultaneous compression in its long least resistant vertebra is compressed by its neighborson either side; its transverse diameter is increased whileits vertical diameter is shortened. True impacted frac-tures and fissured fractures also occur. Although the outercontour of the vertebral column is, as a rule, but slightlyaltered in these compression-fractures, a marked narrowingof the spinal canal and contusion of the cord may never-
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