#oversupination

The tibialis posterior can be the bane of a runner's existence. Symptoms of an overly tight tib post include deep calf pain and foot pain. The tib post also passes through the tarsal tunnel and can cause swelling, lack of blood flow, and nerve impingement. 

NKT often finds the tib post overworking and the tib anterior underworking in cases of medial shin splints. We also find it overworking and the medial hip flexors underworking in foot oversupination. This article details what is a tibialis posterior strain and what can be done about

 it.https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2652628/