Posterior Tibial Tendonitis

The posterior tibial muscle attaches behind the calf and its tendon continues behind the inside of the ankle and attaches to the inside of the foot. The posterior tibial muscle helps hold the arch up when we walk or stand. The tendon is also responsible for moving the foot in and down. The condition is an overuse injury.


Posterior tibial tendonitis is typically an overuse injury. Like all overuse injuries excessive repetitive stress is placed on the tendon resulting in inflammation. It is common in runners who run on uneven surfaces or who have increased their mileage recently.

The condition is also common in individuals with a flat foot structure. It is also more common in obese individuals. The use of non-supportive shoe gear will also contribute to the condition.


Individuals with posterior tibial tendonitis usually complain of pain extending from the inside of the arch extending to the ankle joint. Pain and swelling over the course of the tendon especially at its attachment on the inside of the foot is common. In more severe cases weakness by be present and standing on the affective foot may be impossible.


Posterior tibial tendonitis is usually diagnosis with a detailed history and physical exam. Plain film radiographs are commonly performed. In some cases an ultrasound or MRI maybe necessary for confirmation or to rule out a partial tear of the tendon.


The goal of treatment is to decrease inflammation of the tendon. This is accomplished with rest, ice and elevation. Decreasing stress on the tendon can be accomplished with immobilization through the use of a Cam Walker or cast. Physical therapy and anti-inflammatories are often used. Once the inflammation has resolved long term treatment consists of supportive shoe gear, arch supports, and orthotics. By supporting the arch the posterior tibial tendon will not have to work as hard.

*For products to support the arch and decrease stress on the posterior tibial tendon we recommend

*If you are experiencing pain on the inside of your foot extending to your ankle you may have posterior tibial tendonitis. Take the first step to better health and call our office (numbers below) or fill out the contact form and we will contact you.


I suffered with chronic heel pain for over a year. I finally went to see Dr. Fritz who examined me and performed X-rays on the same visit. He diagnosed me with plantar fasciitis. After a course of physical therapy, a cortisone shot and a pair of custom orthotics I’m able to walk pain free again.

- Jeff C.

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