Medial midfoot heel pain, particularly with prolonged bodyweight bearing, may be due to tarsal tunnel syndrome, which can be due to compression on the posterior tibial nerve. Sinus tarsi syndrome manifests as lateral midfoot heel pain and a sense of instability, particularly with enhanced activity or strolling on uneven surfaces. https://www.theorthopaedicandpainpractice.com/a-comprehensive-guide-to-treating-foot-heel-pain/