Cuboid Flashcards
What attaches to the dorsal (superior) surface of the cuboid?
- dorsal calcaneocuboid
- dorsal cuneocuboid
- dorsal cuboideonavicular
- two dorsal cuboideometatarsals (one ligament to 4th met, to 5th met)
- lateral calcaneocuboid (variable)
where is the beak or coronoid process of the cuboid located?
on the plantar surface, where the medial and posterior borders meet
Where is the peroneal sulcus?in which direction does it run?
plantar surface of the cuboid; runs obliquely from posterolateral to anteromedial
what lies in the peroneal sulcus?
peroneus longus tendon
what does the peroneal ridge terminate laterally as?
cuboid tuberosity
in which bone is the os peroneum located?
(cuboid)
it is the sesamoid bone located on the cuboid tuberosity
what structures are attached to the plantar surface of the cuboid?
- long plantar ligament
- short plantar lgiament
- plantar cuboideonavicular ligament
- tibialis posterior
- flexor hallucis brevis
- plantar cuneocuboid ligament
- plantar cuboideometarsal ligament to 4th met
- plantar cuboideometatarsal ligament to 5th met
what is the peroneal notch?
plantar edge of the lateral surface that marks the beginning of the peroneal sulcus
what is the shape of the medial surface of the cuboid? what does it contain?
medial surface is quadrilateral
-has a triangular facet for the lateral cuneiform at the dorsal, middle portion
what 3 ligaments are attached to the medial surface of the cuboid?
- interosseus cuboideonavicular
- interosseous cuneocuboid
- calcaneocubiod portion of the bifurcated ligament
describe the posterior surface of the cuboid?
triangular facet for the calcaneus- is saddle shaped
describe the anterior surface of the cuboid.
has a vertical ridge that separates 2 facets
- medial facet is quadrilateral in shape and articulates with the base of the 4th met
- lateral facet is triangular in shape and articulates with the 5th met
