Accessory ossicles and sesamoids of the foot Flashcards
Located posterior to the lateral tubercle on the posterior surface of the body of the talus.
Can sometimes fuse forming a stieda’s process.
Os Trigonum
Located just posterior to the tuberosity of the NAVICULAR
Can sometimes fuse.
Os tibiale externum or prehallux
Located between the first and second metatarsal base on the dorsal aspect but may also be found between the fourth and fifth metatarsal bases
Os intermetatarseum
Located on the dorsal aspect of the TALONAVICULAR joint
Os supranaviculare
Located on the dorsal aspect of CALCANEOCUBOID joint but may be found on the plantar aspect
Os Calcaneum
Located at the proximal aspect of the dorsal surface of the neck of the TALUS
Os Supratalare
Located posterior to the tuberosity of the base of the FIFTH METATARSAL
Os Vesalianum
Located on the medial or lateral aspect of the base of the distal phalanx
Accessory Ossicle of Hallux
Located just inferior to the ANTERIOR COLLICULUS of the medial malleolus
Os Subtibiale
Located inferior to tip of LATERAL MALLEOLUS
Os Subfibulare
Located near the SUSTENTACULUM TALI of the calcaneus
Os sustentaculi
Commonly located on the dorsal aspect of calcaneocuboid joint but may be found on the plantar aspect
Os calcaneum secundum
Located in the tendon of FIBULARIS LONGUS near the fibular notch
Os peroneum
Located in the IPJ joint capsule of the hallux on the plantar aspect
Os interphalangeus
Located in the capsules and tendons of muscles at the MTP and IPJ
Capsular sesamoids of lesser MTP’s and IPJ’s
