Primary survey

These injuries are avulsion fractures involving the:

• anterior superior iliac spine (AO/OTA 61A1.1)
• anterior inferior iliac spine (AO/OTA 61A1.2)
• pubic spine (pubic tubercle) (Not classified in the AO/OTA classification)

These injuries are avulsion fractures of the iliac crest.
(Not classified in the AO/OTA classification)

These injuries are avulsion fractures of the ischial tuberosity. This fracture is classified as an AO/OTA 61A1.3 fracture.