Intermediate cuneiform

Os cuneiforme intermedium

SkeletalSkeletonLegLeft and right

View left in 3D View right in 3D

What it is
The smallest cuneiform, wedged between the medial and lateral cuneiforms at the base of the second metatarsal.
Function
Locks the second metatarsal base into a mortise that stabilises the midfoot.
Size
≈ 1.5 × 1.8 × 1.5 cm
Clinical note
Lisfranc injuries disrupt the joint between these bones and the metatarsals.

Nearby skeletal structures Cuboid, Fifth metatarsal, First metatarsal, Fourth metatarsal, Lateral cuneiform, Medial cuneiform, Navicular, Second metatarsal, Talus, Third metatarsal