Cuboid Syndrome

Cuboid syndrome

Cuboid syndrome occurs when the Cuboid bone in the foot partially dislocates. It often occurs in conjunction with peroneal tendonitis. Here we explain the symptoms, causes and treatment of Cuboid syndrome.

Symptoms

Symptoms are very similar to that of an ankle sprain and include:

  • Pain on the outside of the foot when bearing weight.
  • Many patients with Cuboid syndrome will significantly overpronate (where the feet roll in or flatten).

What is Cuboid syndrome?

Cuboid syndrome occurs when the Cuboid bone in the foot partially dislocates. It is one of 8 tarsal bones in the foot. It is located on the outside of the foot, just in front of the ankle.

The partial dislocation occurs at the calcaneocuboid joint, between the heel bone (calcaneus) and the cuboid bone. The peroneus longus muscle in the lower leg pulls too hard on the cuboid bone, causing it to partially dislocate.


Causes

Cuboid syndrome usually occurs after a significant ankle inversion sprain, although it can happen when no other injury has occurred.

Peroneal tendonitis

The peroneal muscle which attaches to the bone pulls on it too hard. Excess traction causes it to partially dislocate (sublux).


Cuboid syndrome treatment

  • The cuboid bone is physically manipulated or reduced back into position by a doctor, medical professional or surgeon.
  • The reduction of the joint position can be maintained using taping and padding, as well as the use of arch support insoles.
  • Corticosteroid injections are sometimes used.
  • If peroneal tendonitis is a contributing factor, then this will need to be treated with rest, ice and a gradual rehabilitation program of stretching and strengthening exercises.
  • Particularly if the peroneal muscles are tight and causing the excess traction on the cuboid bone, then stretching exercises and deep tissue massage are important.
This article has been written with reference to the bibliography.

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