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The sesamoid bones of the foot are the pair of small, oval, nodule-like bones found along the plantar aspect of the great toe. The two distal tendons of the flexor hallucis brevis muscle each contain one of these sesamoid bones.
In the foot—the first metatarsal bone usually has two sesamoid bones at its connection to the big toe (both within the tendon of flexor hallucis brevis). [10] One is found on the lateral side of the first metatarsal while the other is found on the medial side.
There are two small ball-shaped sesamoid bones at the base of the big toe, near the joint between the 1st metatarsal and the proximal phalanx of the big toe. These bones act as the attachment point for multiple tendons and help with the movement of the big toe.
Sesamoid bones are small more or less rounded masses embedded in certain tendons and usually related to joint surfaces. Their functions probably are to modify pressure, to diminish friction, and occasionally to alter the direction of a muscle pull.
The most common sesamoid bones are those of the foot, including the hallucal sesamoids, lesser metatarsal sesamoids, interphalangeal joint sesamoid of the great toe, os peroneum, sesamoid within the anterior tibial tendon, and sesamoid within the posterior tibial tendon; those of the hand, including the pollicis sesamoids, second and fifth ...
4 kwi 2023 · A sesamoid bone is a small bone commonly found embedded within a muscle or tendon near joint surfaces, existing as focal areas of ossification and functioning as a pulley to alleviate stress on that particular muscle or tendon.
5 wrz 2013 · This review describes an overview of the anatomy of sesamoids and accessory ossicles in the foot, and provides a pictorial review of their pathological conditions, including trauma, sesamoiditis, osteomyelitis, osteoarthritis and pain syndromes.
