Table 2.

The Schenck and Wascher classifications of knee dislocations.

Group	Sub-Group	Definition
KD-I		Single cruciate only
KD-II		Bicruciate disruption only (rare)
KD-III		Bicruciate and posteromedial or posterolateral disruption (common)
KD-IV		Bicruciate and posteromedial and posterolateral disruption
KD-V		Dislocation with associated fracture
	KD-V1	Single cruciate only
	KD-V2	Bicruciate disruption only
	KD-V3M	Bicruciate and posteromedial disruption
	KD-V3L	Bicruciate and posterolateral disruption
	KD-V4	Bicruciate and posteromedial and posterolateral disruption
	C	Indicates associated arterial injury when suffixed to main group
	N	Indicates associated neural injury when suffixed to main group