Extraarticular fracture, avulsion of tibial spine or capsular attachments
Avulsion of the tibial spine
This subgroup describes the avulsion of tibial spine, either anterior or posterior.
This intraarticular avulsion fracture is most often seen in the younger patient.
This fracture is classified by the AO/OTA as a 41A1.3 fracture.
Avulsion of capsular attachment
Avulsions of the capsular attachments are classified as AO/OTA 41A1.1 fractures.
