Everything You Need to Know About Peroneal Tendonitis
Peroneal tendonitis, or an inflammation of the peroneal tendons, often presents as pain that is felt on the outside of the foot or outer ankle and gets worse with activity.1 It happens when the peroneal tendons, the peroneal longus and peroneal brevis, become inflamed as they run over your ankle and foot bones.
Source: Verywell Health