- The top of the navicular bone connects to the talus (the main ankle bone).
- The bottom part of the navicular bone connects to the three cuniform bones.
- Accessory Navicular bone is an extra piece of cartilage or bone that is located just above the inner arch.
- This bone is often associated with the posterior tibialis tendon because it attaches in the area.
- This is the most common accessory bone in the foot.
- Many people are genetically born with excessive bone in the inside part of their foot, but most of the time it is not symptomatic.
- Pain can occur if this bone rubs up against the side of your shoe.
- Often occurs in the adolescent athletic population
- Can be associated with overpronation
- Local tenderness to the touch
- Visible bump on the inside of the bone
- Redness and swelling around the bone
- Vague, throbbing pain