Where the sesamoid bone of foot sits in the skeleton

The sesamoid bones of the foot are small bones under the head of the big-toe metatarsal, on the sole side, lying within the tendons of a short muscle that bends the big toe. There are usually two, one on the inner side and one on the outer side, within the tendons of the flexor hallucis brevis. The tendon of the flexor hallucis longus runs between them.

Frequently asked questions

Which part of the skeleton is the sesamoid bone of the foot in?

The sesamoid bone of the foot is one of the bones of the foot. The foot is made of seven tarsal bones, five metatarsals, fourteen phalanges and the sesamoid bones.

How many bones are in the foot?

Each foot has 26 bones: seven tarsal bones, five metatarsals and fourteen phalanges in the toes, plus small sesamoid bones.

Is there one sesamoid bone of the foot or a pair?

The sesamoid bone of the foot is paired: there is one on the left and one on the right, and this page covers both.

How many sesamoid bones are in the foot?

Usually two, under the head of the first metatarsal. Some people have extra small sesamoids under other toes.

Other bones of the foot

By region

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Related reading

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