what causes a posterior tibial tendon tear
What causes posterior tibial tendonitis or tears? Posterior tibial tendon problems can occur for a variety of reasons, including: 1  Overuse: Overuse symptoms occur after activities that use the tendon, such as walking, hiking or climbing stairs, especially when a person is not used to such activities.n most cases, the symptoms of posterior tibial tendonitis develop gradually. When the tendon tears, the symptoms are more obvious. Symptoms may include the following: 1  Pain and swelling on the inside of the ankle. 2  Loss of the arch and the development of a flatfoot. 3  A rolling of the ankle and foot inwards.