Accessory Navicular Syndrome
sgeduldig2017-09-03T03:14:50-05:00What is the Accessory Navicular? The accessory navicular (os navicularum or os tibiale externum) is an extra bone or piece of cartilage located on the inner side of the foot just above the arch. It is incorporated within the posterior tibial tendon, which attaches in this area. An accessory navicular is congenital (present at birth). [...]