Pelvic avulsion fracture

A pelvic avulsion fracture involves tearing of the tendon away from bone, often tugging along a bony piece. This injury typically occurs at the ischial tuberosity where the hamstrings attach to.

Indications of a pelvic avulsion fracture

If an individual is suspected with a pelvic avulsion fracture, the following are the usual indications:

  • Abrupt pain or discomfort when engaging in activities that have explosive, powerful movement
    Pelvic avulsion fracture

    Abrupt pain or discomfort when engaging in activities that have explosive, powerful movement.

  • Pain at the rear part of the pelvis, usually in the crease of the buttock which indicates a fracture to the ischial tuberosity while pain at the bony region on the front part of the hip is an ASIS or anterior superior iliac fracture.
  • Pain and weakness when engaging in certain movements that places load on the tendon
  • Swelling and bruising


If an individual is likely to have this injury, it is vital to seek immediate medical attention right away.

  • The individual should take a break from activity as much as possible. Generally, the injury tends to heal on its own within 4-6 weeks.
  • Apply an ice pack during the initial 2-3 days to reduce the inflammation and pain.
  • An X-ray is used to confirm a diagnosis
  • In some cases, surgical intervention is carried out to reconnect the bone and tendon to the pelvis. This is usually reserved for large-sized fractures in which the fractured bone is displaced evidently.
  • After the resting period, a gradual rehabilitation program is started with the objective to restore movement and strength of the hip.

Quick Note / Disclaimer

The material posted on this page on a pelvic avulsion fracture is for learning and educational purposes only. To learn to recognize and manage broken bones, register for a first aid and CPR course with Vancouver First Aid.



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