Which bone is the navicular?

Which bone is the navicular?

• A. Talus
• B. Navicular
• C. Cuboid
• D. Second or intermediate cuneiform

Answer: (B)

The key idea is identifying the navicular as a midfoot tarsal bone and knowing where it sits. The navicular is boat-shaped and lies in the medial midfoot between the head of the talus above and the three cuneiform bones below. It forms joints with the talus proximally and with the medial, intermediate, and lateral cuneiforms distally. This bone also helps support the medial longitudinal arch and has a notable tuberosity on its medial side for tendon attachment (tibialis posterior). Other bones listed are different parts of the foot: the talus is the ankle bone that sits above the calcaneus, the cuboid is the lateral midfoot bone, and the second (intermediate) cuneiform is one of the smaller bones between the navicular and the metatarsals.

The key idea is identifying the navicular as a midfoot tarsal bone and knowing where it sits. The navicular is boat-shaped and lies in the medial midfoot between the head of the talus above and the three cuneiform bones below. It forms joints with the talus proximally and with the medial, intermediate, and lateral cuneiforms distally. This bone also helps support the medial longitudinal arch and has a notable tuberosity on its medial side for tendon attachment (tibialis posterior). Other bones listed are different parts of the foot: the talus is the ankle bone that sits above the calcaneus, the cuboid is the lateral midfoot bone, and the second (intermediate) cuneiform is one of the smaller bones between the navicular and the metatarsals.