Lateral cuneiform

Os cuneiforme laterale

SkeletalSkeletonLegLeft and right

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What it is
Wedge-shaped cuneiform between the intermediate cuneiform and the cuboid, at the base of the third metatarsal.
Function
Keystone of the transverse arch of the foot.
Size
≈ 2 × 2 × 1.8 cm
Clinical note
Together the cuneiforms and cuboid make the foot a flexible, arched lever.

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