Medically reviewed by Laura Campedelli, DPT Extensor tendonitis is an inflammatory condition of the tendons on the back of the hands or the top of the feet. These tendons attach to muscles that ...

Extensor tendonitis can occur in your feet or hands due to overuse of the tendons. Treatment can involve medication to reduce inflammation and physical therapy, depending on the severity.

Extensor tendons are found just under the skin of the hand or the top of the feet. Extensor tendonitis is an inflammation of these tendons, and many factors can cause it.

Not all arch of the foot pain is the same and discomfort can be a symptom of several issues though. The first step to solving the injury is to learn which of those tissues are hurting and why.

A nagging pain in the arch of the foot is a common gripe among runners. Overtraining and increased load are usually to blame, although sometimes there can be other biomechanical issues at play.