Classification Description Notes
A Homolateral Complete Any direction
B1 Homolateral Incomplete M1 medially displaced
B2 Homolateral Incomplete M2-M5 laterally displaced
C1 Divergent Some MT move with M1
C2 Divergent All MT move together

 

References

Myerson MS, Fisher RT, Burgess AR,  Kenzora JF. Fracture Dislocations of the Tarsometatarsal Joints: End Results Correlated with Pathology and Treatment. Foot & Ankle. 6(5): 225-242. 1986