Ankle and Foot Flashcards
Talocrural joint - articulations
tibiofibular
tibiotalar
fibulotalar
Talocrural joint - trochlear surface is
concave (med/lat)
Wider ant/post (wedge shaped)
Talocrural joint - talus is
concave sup/inf
convex ant/post
Subtalar joint - articulations
two separate articulations - anterior and posterior talocalcaneal
Subtalar joint - posterior talocalcaneal articulation
Post sup articulation is convex in ant/post and concave in med/lat
Articulations with inferior surface of talus
Subtalar joint - anterior talocalcaneal articulation
Biconvex inferior surface of neck and head of talus resting on biconcave ant surface of calcaneus
Talonavicular joint
Biconvex head of talus aritculates with biconcavity formed by navicular surfaces
Calcaneocuboid joint
Ant calcaneus is concave med/lat and convex sup/inf
Post cuboid is concave sup/inf and convex med/lat
Key to lateral arch
Cuboid
Cuneonavicular joint
Biconvex ant of navicular has three facets to articulate with concave surface of three cuneiform bones
Metatarsalphalangeal
Metatarsal heads are convex
Proximal phalanges concave
DF
Tib ant
Ext hall long
Ext dig long
Peroneus T
PF
Gastroc Soleus Tib post Flex dig long Flex hall L Peroneus L and B
Eversion
Peroneus longus and brevis
Inversion
Tib post
Tib ant
Flex dig long
Flex hall long
Pronation (DF/EV)
Ext dig long
Per T
Supination (PF/IV)
Flex hall long
Tib post
Capsule - Talocrual joint -
Fibrous capsule lined with synovial membrane strengthened by collateral, ant, and post ligaments
Thin ant and post and thickened laterally