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What is a Sesamoid Bone?

A sesamoid bone is a bone embedded within a tendon.

In the foot, the sesamoid bones are two small pea sized bones located under the big toe joint.  These sesamoid bones in the foot help absorb weight when running and walking and also work as a pulley system for the tendons that help move the big toe. 

Pain in the joint of your big toe may be a symptom of sesamoiditis, sesamoid fracture, arthritis, hallux rigidus or a host of other foot conditions.

The best advice is to seek early treatment, before the pain has become so unbearable that you are unable to walk.

Other Foot Conditions Associated with the Sesamoid Bone Include:

Sesamoiditis - A painful foot condition where the sesamoid bone (small bones under the great toe) become inflamed.

Sesamoid Fracture - a fracture or "break" in one or both of the sesamoid bones. Sesamoid fractures can be caused by trauma or from overuse.

Turf Toe - A foot condition where there is injury to the big toe joint. Pain and swelling affect mobility of the big toe.

 

 

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