<unk>  1 2 3 A - stable Innominate bone avulsion or wing fracture Stable ring fracture with intact posterior arch Denis III transverse sacral fracture B - rotationally unstable/vertically stable Open-book external rotation injury Young-Burgess lateral compression type internal rotation injury Bilateral C - rotationally and vertically unstable Unilateral with intact contralateral side Unilateral with incomplete contralateral side Bilateral }
Tile classification
Milch classification
Sanders classification
ILO Classification
Wassel classification
Killing Season
Haruguchi classification
Fitzpatrick scale