Medial cuneiform

Os cuneiforme mediale

SkeletalSkeletonLegLeft and right

View left in 3D View right in 3D

What it is
The largest of the three wedge-shaped cuneiforms, at the base of the first metatarsal.
Function
Supports the big toe ray and receives tibialis anterior and fibularis longus.
Size
≈ 2.5 × 2.5 × 1.5 cm
Clinical note
Its wedge shape, like the others, helps form the transverse arch of the foot.

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