Second metatarsal

Os metatarsi II

SkeletalSkeletonLegLeft and right

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What it is
Long bone of the forefoot behind the second toe, with a wedge-shaped base, slender shaft and rounded head at the ball of the foot.
Function
Forms a spoke of the foot's arches and a lever for walking.
Size
≈ 81 mm long
Clinical note
The second metatarsal is the longest and the commonest site of "march" stress fractures.