This article is about a condition that evolves as an extra bone in the foot. Up to 2.5% of individuals are born with an extra bone right over the navicular bone in the foot in the middle of the arch.

Accessory navicular bone disorders represent a significant yet frequently under‐diagnosed anomaly in the paediatric foot. The accessory navicular is an extra ossicle located adjacent to the navicular ...

Navicular fractures can occur in the middle of the foot. They also occur in the wrist, as one of the eight carpal bones at the base of the hand is also known as the scaphoid or navicular bone. A ...