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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.
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.
Sesamoid bones are also found occasionally at the metacarpophalangeal joints of the middle and ring fingers, at the interphalangeal joint of the thumb and at the distal interphalangeal joint of the index finger.
The sesamoid bones of the foot are two ovoid ossicles on the plantar aspect of the metatarsophalangeal joint, separated by the intersesamoidal ridge and embedded in the medial and lateral bands the tendon of the flexor hallucis brevis.
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.
