Score: Meyers-McKeever classification
Use: Tibial spine (intercondylar eminence)
Type I
Undisplaced: only the anterior edge of the eminence is elevated
Type II
Partially displaced: anterior elevation of the eminence
Type III
Entire eminence is involved
IIIA: entire eminence lies above its bed, out of contact with tibia
IIIB: eminence is rotated as well as out of contact
Reference
Classification and Diagnosis in Orthopaedic Trauma. Editors: Rahij Anwar, Kenneth W. R. Tuson, Shah Alam Khan. Cambridge University Press, 2008