In my experience, peroneal tendonitis used to be a challenge. Previously, I reckon I had a rate of failure close to 100% in managing it. However, in the last 10 years or so, I believe I am now close to a full success rate in treating it. What changed? It was based on our evidence from research. https://www.blogarama.com/health-and-fitness-blogs/1354320-clinical-biomechanics-boot-camp-blog/39753342-peroneal-tendinopathy-easy