By Dr. Kayla Wright, DPM
Persistent symptoms after an ankle sprain can have several explanations. The peroneal tendons are one possibility, especially when discomfort is behind or below the outer ankle bone. Pain location is a useful clue, but it cannot establish the diagnosis on its own.
What do the peroneal tendons do?
Two peroneal tendons pass behind the outer ankle bone and help support foot and ankle stability. A twisting injury or repeated loading can affect these tendons as well as the ligaments commonly involved in a sprain.
Tendon problems may involve irritation, a tear or movement out of the usual position. These problems are different, so they do not all require the same treatment. The American College of Foot and Ankle Surgeons (opens in a new tab) describes these distinct patterns and the importance of evaluating lingering symptoms.
Symptoms worth mentioning at your visit
Tell the clinician if you notice tenderness along the outer ankle, swelling after activity, weakness or a snapping sensation near the ankle bone. Explain whether the ankle repeatedly gives way and whether the symptoms began with a specific injury or a gradual change in activity.
Those details help distinguish tendon problems from ligament instability, a fracture, joint or cartilage injury, and other causes of ankle pain. Feeling better at rest does not necessarily explain why symptoms return each time you resume activity.
When should you seek care sooner?
Arrange prompt assessment for recurring painful snapping, repeated giving way or pain that is not improving. Seek urgent medical evaluation for severe sudden pain, inability to bear weight, obvious deformity, a foot that becomes cold or discolored, or rapidly increasing swelling. Do not wait for a routine appointment if the injury appears serious.
What can an evaluation involve?
A history and examination help identify the location of tenderness, ankle stability, strength and movement. Imaging is sometimes useful: X-rays help assess bone and joint concerns, while ultrasound or MRI may be considered for suspected tendon injury. Not everyone needs advanced imaging.
Bring information about the original injury, previous treatment and any imaging already obtained. Describe what happens when you walk, climb stairs or return to exercise. These are practical starting points for the discussion with Dr. Wright.
Does a tendon problem always require surgery?
No. Treatment depends on the injury. Activity changes, a brace or temporary immobilization may be considered; rehabilitation can help restore strength, balance and movement when appropriate. Cleveland Clinic’s patient guide (opens in a new tab) outlines these conservative approaches and the role of imaging.
Orthotics may be discussed when foot mechanics contribute to symptoms. Surgery may be considered for selected tears, tendon instability or problems that persist despite suitable nonsurgical care. A consultation is an opportunity to understand options, not an automatic decision to operate.
Can I keep running on it?
Do not use a fixed recovery deadline or push through worsening pain to test the ankle. Ask for guidance based on the diagnosis and your activity goals. An irritated tendon, a tear and an unstable tendon can need different protection and return-to-activity plans.
Take the next step
If outside ankle pain keeps returning after a sprain, Metro Foot & Ankle in Tempe can evaluate your symptoms and discuss the next steps. Request an appointment or call 480-831-0700 (opens in a new tab).