Ankle Flashcards
Malleoli - medial vs. lateral
Lateral goes further distal/posterior than medial
Talocrural joint
mortise
tibia to talus
fibula to talus
Talocrural joint is most stable in
DF
slack with PF
Talocrural joint - coupling
DF, ABD, EV
PF, ADD, INV
Talocrural joint - open chain
Talus on tibia
Convex on concave = OPP
Subtalar joint ROM
20 DF 50 PF 20 INV 10 EV 10 ABD 20 ADD
Subtalar - pronation is what
Eversion, DF, ABD
Subtalar - supination is what
INV, PF, ADD
Subtalar - varus foot =
inversion
Subtalar - valgus foot =
eversion
Subtalar neutral
max conrguency/max contact area
2 to 1 ratio of supination to pronation
0-3 degrees inverted
Transverse tarsal (midtarsal) is made of what
talonavicular and calcaneocuboid
Transverse tarsal (midtarsal) close packed
Full supination
Transverse tarsal (midtarsal) open packed
Mid range
Transverse tarsal (midtarsal) - Talonavicular joint is what
Convex head of talus
Concave body of navicular