Ankle fractures may be divided into four classes, characterized by (a) inversion (Fig. 1); (b) eversion (Fig. 2); (c) backward displacement of the astragalus on the tibia (Fig. 3), and (d) linear fractures, fractures without displacement and other unusual types.
While it is not my intention to describe at length these various types of fracture, I may say that the inversion type consists usually of a fracture of the internal malleolus and of the fibula, either at the styloid process or somewhat higher up, and that the astragalus is pushed toward the midline so that the foot appears in more or less inversion.
The eversion type, commonly known as Pott's fracture, consists of a tearing off of the ligaments attached to the internal malleolus, or of the malleolus itself and of the fibula from 1 to 3 inches above its lower end. It is characterized by eversion. This is the
GEIST ES. OLD FRACTURES OF THE ANKLE. JAMA. 1924;82(12):960–962. doi:10.1001/jama.1924.02650380028010
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