Peroneal Tendon Instability2016-10-12T12:39:56-04:00

Peroneal Tendon Instability

ankle fracture Blacksburg, VA

What is Peroneal Tendon Instability

The peroneals consist of two muscles as well as their tendons that attach along the outer edge of the lower leg. A fibrous tunnel encloses the peroneal tendons and runs behind the outside ankle bone. Damage or injury to the structures that form and support this tunnel may induce a condition in which the peroneal tendons snap out of place. This condition is called peroneal tendon subluxation or instability.

Symptoms of Peroneal Tendon Instability

The symptoms of peroneal tendon instability or subluxation may vary depending on the severity of the condition. Patients may experience a “popping” or “snapping” sensation on the outer edge of the ankle. Occasionally, it will be obvious that the tendons slip out of place along the lower tip of the fibula, the long, thin outer bone of the leg between the knee and the ankle. It is common to feel pain and tenderness along the tendons. There may also be swelling just behind the bottom edge of the fibula.

Treatment of Peroneal Tendon Instability

The treatment for a peroneal tendon subluxation will depend on whether the injury is acute and how much pain or discomfort the patient is feeling. If the injury is acute, treatment without surgery may involve placing the ankle in a short leg cast for four to six weeks.

The goals of nonsurgical treatment are allowing the torn tendons to heal and preventing chronic subluxation. At Sideline Orthopedics, we may ask that you begin physical therapy once the your cast is removed. You may also be prescribed anti-inflammatory medications to help relieve the pain and reduce the swelling, which will help you get back to activity sooner. These medications include common over-the-counter drugs such as ibuprofen.

Surgical repair of the peroneal tendon is reserved for cases that do not heal with casting and rehabilitation.

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