It can be a symptom of neuropathy, a problem that impacts the nerves in the ft and is usually related to diabetic issues. With PTTD, arch pain is likely to extend together the back again of the calf and inner facet of the ankle. You may also have ankle swelling. https://www.theorthopaedicandpainpractice.com/using-orthopaedic-and-pain-management-strategies-to-tackle-foot-pain-near-the-arch/