Ankle Flashcards
(14 cards)
Structures AP
Distal 1/4 tib/fib
Prox talus
Relate ST
CR and CP AP
Cr: perp
Cp: mid ankle joint at level of medial malleolus
No rotation AP
Main: medial mortise open and lateral mortise is closed
1/2 fib SI by tibia
No E/D AP
Knee to ankle
Main: tibiotalar joint open
Posterior tibia just SI talar dome
Good dorsiflexion
Talus squared too
Lat malleoli tip free from calcaneus
Structures mortise
Distal 1/4 tib/fib
Prox talus
Related ST
CR & CP mortise
Cr: perp
Cp: mid ankle joint at level of medial malleolus
Good obliquity mortise
Distal tibiofibular joint closed with tibia SI 1/4 fibula
Lateral malleolus clear of talus
Medial mortise open
No E/D mortise
Tibiotalar joint open
Good dorsiflexion
Talus squared off
Lat malleolus tip free from SI of calcaneus
Structures lat
Distal 1/4 tib/fib
Talus and calcaneus
Navicular
1” base of 5th MT
Related ST
CR CP lat
Cr: perp
Cp: ankle joint (medial malleolus)
Adequate rotation lat
Main: talar domes si ant/post
Fib in posterior 1/2 of tib
Calcaneocuboid and talonavicular joints open
No I/E or E/D
Main: talar domes SI prox/distal which opens tibiotalar joint
1/2 cuboid posterior to navicular
