foot & ankle Flashcards
how many articulations in talus?
7 = 3 calcaneus + 1 navicular + 1 tibia + 2 fibula
breakdown of bones in foot & ankle?
26 = 7 tarsals + 5 metatarsals + 14 phalanges
muscle attachments in talus?
NONE (but with posterior groove for FHL)
PRIMARY blood supply of talus?
POSTERIOR TIBIAL artery
articulations of calcaneus with talus?
anterior, middle, posterior facets
passes inferior to sustentaculim tali (of calcaneus)?
FHL tendon
articulations of cuboid?
4 = 1 calcaneus + 1 lateral cuneiform + 1 4th metatarsal + 1 5th metatarsal
muscle insertion in navicular?
POSTERIOR TIBIAL
2nd metatarsal “keyed” in place by?
more posterior articulation with intermediate cuneiform
tarsal bones present at birth?
calcaneus, talus, cuboid
4 LIGAMENTS supporting distal/inferior talofibular joint?
anterior/posterior TALOFIBULAR ligaments, transverse TIBIOFIBULAR ligament, INTEROSSEOUS ligament
Tillaux fracture?
avulsion of anterior tibiofibular ligament
Lisfranc ligament?
connects medial cuneiform to 2nd metatarsal
tendons crossing ankle at medial aspect?
Tom - Tibialis posterior
Dick - flexor Digitorum longus
Harry - flexor Hallucis longus
muscle that INITIATES hindfoot inversion?
posterior tibialis