Peroneal Tendinopathy

Tendinopathy is an injury to the tendon. It can cause pain, swelling, and limited movement. The injury can include: The peroneal tendons run along the outside of the ankle bone. Treatment depends on the severity of the injury.

  • Causes

    Peroneal tendinopathy often occurs as a result of:

    • Repetitive overuse injuries which may occur from regular activities
    • Trauma to the ankle such as a sudden twisting of the ankle or foot

    • A
      sprained ankle
      that turned inward
    • Overstretching the foot

  • Definition

    Tendinopathy is an injury to the tendon. It can cause pain, swelling, and limited movement. The injury can include:

    • Tendonitis—inflammation of the tendon
    • Tendinosis—tiny tears in the tendon tissue with no significant inflammation

    The peroneal tendons run along the outside of the ankle bone. Treatment depends on the severity of the injury.

  • Diagnosis

    Your doctor will ask about your symptoms and medical history. A physical exam will be done.

    Your doctor may also need images of the foot and ankle. These may be taken with:

    • X-ray
    • MRI scan
    • Ultrasound

    Your doctor may also inject a medicine in local structures. This can help your doctor confirm what structures are causing the problem.

  • Prevention

    To help reduce your chance of getting peroneal tendinopathy, take the following steps:

    • Avoiding activities and sports that repeatedly stress the ankle.
    • Do not put yourself at risk for trauma to the ankle.
    • Build strong muscles to support your joints.
    • Gradually increasing the frequency and intensity of exercise.
    • Learn proper technique for sports and exercise.

  • Risk Factors

    Factors that increase your risk of peroneal tendinopathy include:

    • High arched foot
    • Previous ankle sprain or injury
    • Weak ankles

  • Symptoms

    Symptoms include pain, tenderness or swelling
    along the bottom of the foot or side of the ankle. You may also experience weakening or instability in the foot or ankle.

  • Treatment

    Talk with your doctor about the best plan for you. Treatment options include the following: