Fig. 1From: Introduction of a modified Degan classification to specify treatment algorithms in fractures of the anterior process of the calcaneusType I - Nondisplaced fracture of the apex of the APC. Type II - Displaced fracture that does not include the articular surface. Type III A - Large fragment, intraarticularly, not displaced without joint step. Type III B - Large fragment, intraarticularly, displaced with joint stepBack to article page