Dancer’s Fracture (5th Metatarsal Avulsion Fracture)

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Dancers Fracture (5th Metatarsal Avulsion Fracture) Handout

A twisting injury to the ankle and foot may cause an avulsion (pulling off) fracture of the base of the 5th metatarsal – the bone that the little toe attaches to (Figure 1). A small fragment of bone at the base of the 5th metatarsal is pulled off by a strong ligament that is attached to this part of the bone. A Dancer’s fracture causes localized pain, swelling, and difficulty walking. In most instances, this type of fracture can be treated non-operatively, with relative immobilization in a walking boot combined with limited weight-bearing. It typically takes about 6 weeks for adequate bone healing to occur, before patients can start to significantly increase their activity level. It often takes 12 or more weeks for a full recovery to occur. This type of injury needs to be differentiated from a “Jones fracture“, which occurs farther down the base of the 5th metatarsal and is related to repetitive stress to this area of the bone.

Figure 1: Dancer’s Fracture
Dancers fracture
Figure 2: Twisting mechanism causing injury
Ankle Sprain Injury

Clinical Presentation

A patient who suffers an acute rolling of their ankle can also injure the base of the 5th metatarsal (See Figure 1). This will produce immediate pain over the outside aspect of the foot. It can be associated with significant swelling. Over time, the skin can turn black and blue. It will be associated with quite specific local tenderness over the base of the bone, on the outside of the foot (the 5th metatarsal). Patients who have suffered a 5th metatarsal base avulsion fracture will give a history of a twisting injury to their ankle and foot (inversion plantarflexion injury), similar to what occurs with an ankle sprain (Figure 2).

Physical Examination

When pressing on the outside of the foot, there will be marked tenderness at the base of 5th metatarsal. There may be tenderness over a large area of the outside the foot. However, the main tenderness will be at the base of the 5th metatarsal. Typically, the blood supply and sensation to the foot is normal. On exam, it is determined if the patient can still move their foot to the outside (eversion of the foot). This is done by placing the foot in an everted position and asking them to maintain that position against some resistance. This assesses for continuity of the tendons that evert the foot. Doing this usually creates some discomfort for the patient. However, they usually are able to perform the action.

Imaging Studies

X-ray of the foot will reveal an avulsion (“pulling off”) fracture of the base of the 5th metatarsal. The size of the fractured fragment may vary considerably. There will be more gapping at the fracture site, on the outside of the bone (lateral side), compared to the inside of the bone (medial side – Figure 3).

Figure 3A: X-ray from the side (Lateral view)
Dancers Fracture
Figure 3 B: X-ray from the top (AP View)
Dancers Fracture AP-X-Ray


A Dancer’s fracture is an injury that is usually treated non-operatively. If the patient has the ability to actively move the foot outwards (eversion), the injury will likely heal with non-operative treatment. Treatment involves relative rest and time to allow the fracture to heal. Typically, patients are placed in a walking boot. For the first few weeks, they will have to significantly limit their walking and should be given crutches. As the swelling settles and the fracture starts to heal, they can begin walking more extensively in the boot. Usually by 6 weeks, there is enough healing to allow them to transition to a stiff-soled shoe with lots of padding.

This is a frustrating injury because it takes a long time for healing to occur. Patients are often still symptomatic 8weeks or more after this injury. It can be many months before the bone is completely healed, and a full recovery has been achieved. In very rare instances, where there is complete displacement of the fracture fragments and a lack of ability to actively evert the foot, surgery is required. In this case, the bone fragments are repositioned and stabilized with a screw.

A Dancer’s fracture is often confused with a 5th metatarsal metadiaphyseal stress fracture [Jones fracture]. A Jones fracture occurs as a result of a stress fracture, due to repetitive loading of the outside part of the foot, from the patient’s underlying foot pattern or lower extremity alignment. Unlike a Dancer’s fracture a Jones fracture may not heal and often requires surgery.

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