Matthias Hansen, Rodrigo Pesántez
Joseph Schatzker, Ernst Raaymakers, Rick Buckley
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.
Avulsions of the capsular attachments are classified as AO/OTA 41A1.1 fractures.