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Avulsion injury of the pelvis

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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These injuries occur most commonly in athletes and sportsmen. Violent muscle contraction causes the avulsion of a piece of pelvis. The most common sites are:

  • Anterior superior iliac spine - sartorius
  • Anterior inferior iliac spine - rectus femoris
  • Pubis - adductor longus
  • Ischium - hamstrings

Presentation is typically with tenderness at the site of avulsion and pain to resisted action of the affected muscle. Avulsion is often seen at the site on X-ray.

The only treatment required is a few days rest (which is not an easy pill to swallow for a dedicated sportsman) and reassurance.

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