Avulsion (Dancer’s) Fracture


What is an Avulsion Fracture

An Avulsion fracture is where a tendon or ligament that is attached to a bone is subjected to such force that a piece of bone is pulled off.


What is a 5th Metatarsal Avulsion Fracture

 A fifth metatarsal avulsion fracture is where the peroneus brevis tendon which attaches to the base of the fifth metatarsal pulls and causes a fracture of the fifth metatarsal.

Causes of a 5th Metatarsal Avulsion Fracture

 A fifth metatarsal avulsion fracture typically occurs with an inversion injury. The sudden pull of the peroneus brevis muscles that occurs when rolling you ankle results in the fracture of the fifth metatarsal.


Types of a 5th Metatarsal Avulsion Fracture


 


Complications of a 5th Metatarsal Avulsion Fracture

Complications that can occur include:

  • Non union of the fracture site
  • Joint disruption resulting in arthritis long term
  • Impingement of other structures

It is important that correct treatment implemented to avoid long term complications with an avulsion fracture

 


Treatment of a 5th Metatarsal Avulsion Fracture


 

Call The Foot and Ankle Centre for further advice on professional management and treatment options.