Classification Description Notes
Type 1 Cleavage fracture with no major articular disruption
Type 2 Fracture dislocation with major articular surface disruption, without comminution
Type 3 Major articular disruption with impacted and comminuted fracture

 

Reference:

Ruedi, T. P. and M. Allgower (1979). “The operative treatment of intra-articular fractures of the lower end of the tibia.” Clin Orthop Relat Res (138): 105-110.