Peroneal tendonitisPosts and articles about Peroneal tendonitisCommunityWhat's causing pain along the outer edge of my foot, and how can I tell the difference between a muscle and a bone issue? I have pain on the outside of my foot (the lateral side) that gets worse with activity like running or long walks. It feels like it's in the midfoot, near my an...BlogJanik SundstromPeroneal Tendonitis Exercises & Stretches to Relieve SymptomsPeroneal tendonitis, a common cause of lateral ankle pain, is related to inflammation arising in the lateral peroneal muscles. Inflammation occurs due to the in...