Classification
Type I: Homolateral (all five metatarsals displaced in the same direction)
Type II: Isolated (one or two metatarsals displaced from the others)
Type III: Divergent (displacement of the metatarsals in both sagittal and coronal planes)
Explanation
In 1909, Quenn and Kuss proposed the above classification system based on the the extent and pattern of injuries to the tarsometatarsal joints.
Figures
Reference(s)
Provide the citation for the landmark article and recent review articles describing the classification
