ABFAS Review exam with complete
solution 2024/2025
18 y/o gymnast substance acute inversion ankle injury and ruptures her lateral
collateral ligaments
(a)NWB 6 weeks, ankle Brace
(b)Ankle bracing followed by aggressive PT 12 weeks
(c)Early functional rehab program
(d)NWB x8 weeks followed by PT - ANSWER- (c) Early functional rehab program
Patient is a 45 y/o male performing a triple arthrodesis he has 6 degrees of tibial
varum what is the appropriate position for the calcaneus to the tibia to be in this
position?
(a)4 Degrees Everted
(b)6 Degrees Everted
(c)8 Degrees Everted
(d)10 Degrees Everted - ANSWER- (c)8 Degrees Everted
Performing a triple arthrodesis if you translate the talus anteriorly on the
calcaneus what would be the effect?
(a)Anterior talus will plantarflex the forefoot increase the arch height
(b)Anterior talus will dorsiflex the forefoot and increase arch height
(c)Anterior talus will plantarflex the forefoot and decrease arch height
(d)Anterior talus will dorsiflex the forefoot and decrease the arch height -
ANSWER- (a)Anterior talus will plantarflex the forefoot increase the arch height
You are performing a pantalar arthrodesis. The patient is a smoker and you are
concerned about a nonunion. Which joint has the highest risk of nonunion?
(A)CCJ
(B)TNJ
(C)Ankle
(D)STJ - ANSWER- (C)Ankle
,You are performing a triple arthrodesis which joint would you prep last and fixate
first?
(A)TNJ
(B)CCJ
(C)STJ
(D)Ankle - ANSWER- (C)STJ
You are performing a lateral subtalar arthrodesis, which structure do you incise
in order to access the joint?
(A) ATFL
(B) CFL
(C) PTFL
(D) Bifurcate ligament - ANSWER- (B) CFL
You are performing a STJ arthrodesis what is the hardest deformity to fix
(A) Varus
(B) Valgus
(C) Sagittal Plane
(D) Transverse plane - ANSWER- (A) Varus
You are performing an ankle arthrodesis on a patient you make a mistake with
positioning of the arthrodesis, which position would be best to have the foot in?
(A)5 Degrees Plantarflexed
(B)5 Degrees Dorsiflexed
(C)5 mm Anteriorly Offset
(D)6 degrees of valgus - ANSWER- (B)5 Degrees Dorsiflexed
You are with a certain attending who fuses the ankle in a plantarflexed position,
what would be the complication with this positioning?
(A) Shoulder drop on the affected side
(B) Supination of the affected extremity
(C) Pronation of the contralateral extremity
(D) Vaulting gait - ANSWER- (D) Vaulting gait
What would be a contraindication to Arthroscopic ankle arthrodesis?
(A)Severe Inflammatory Arthritis
(B)Endstage arthritis with extensive osteophytes
(C)BMI 35
(D)15 degrees of ankle varus - ANSWER- (D)15 degrees of ankle varus
, Also 5 degrees of varus. 10 degrees varus/valgus for TAR contraindication
You are performing a triple arthrodesis. You put the patient in varus by accident.
What would be the most common complication ?
(A) Ankle Arthritis
(B) Lateral Column Pain
(C) Lateral ankle instability
(D) Plantar Fasciitis - ANSWER- (B) Lateral Column Pain
Patient has a calcaneal fracture with a massive lateral wall blowout. What is the
most common complication for a poor reduction?
(A)Nonunion
(B)Lateral Column Instability
(C)Peroneal Tendonitis
(D)Sural Neuritis - ANSWER- (C)Peroneal Tendonitis
Patient has a 4 cm rupture of the achilles tendon you repair the rupture what is
the most common complication?
(A)Re-rupture
(B)Infection
(C)Weakness
(D)Dehiscence - ANSWER- (D)Dehiscence
You are doing a medial subtalar joint dissection approach. Which structure do
you not incise?
(A)Superficial Deltoid
(B)Deep Deltoid
(C)Posterior Tibialis
(D)Interosseous Ligament - ANSWER- (B)Deep Deltoid
You wish to block factor II which medication does this?
(A)Pradaxa
(B)Eliquis
(C)Brilinta
(D)Plavix - ANSWER- (A)Pradaxa
In performing a posteromedial release for a congenital clubfoot deformity, what is
the most important joint to release to prevent recurrence of the deformity?
•A. ankle.
•B. subtalar.
•C. talonavicular.
solution 2024/2025
18 y/o gymnast substance acute inversion ankle injury and ruptures her lateral
collateral ligaments
(a)NWB 6 weeks, ankle Brace
(b)Ankle bracing followed by aggressive PT 12 weeks
(c)Early functional rehab program
(d)NWB x8 weeks followed by PT - ANSWER- (c) Early functional rehab program
Patient is a 45 y/o male performing a triple arthrodesis he has 6 degrees of tibial
varum what is the appropriate position for the calcaneus to the tibia to be in this
position?
(a)4 Degrees Everted
(b)6 Degrees Everted
(c)8 Degrees Everted
(d)10 Degrees Everted - ANSWER- (c)8 Degrees Everted
Performing a triple arthrodesis if you translate the talus anteriorly on the
calcaneus what would be the effect?
(a)Anterior talus will plantarflex the forefoot increase the arch height
(b)Anterior talus will dorsiflex the forefoot and increase arch height
(c)Anterior talus will plantarflex the forefoot and decrease arch height
(d)Anterior talus will dorsiflex the forefoot and decrease the arch height -
ANSWER- (a)Anterior talus will plantarflex the forefoot increase the arch height
You are performing a pantalar arthrodesis. The patient is a smoker and you are
concerned about a nonunion. Which joint has the highest risk of nonunion?
(A)CCJ
(B)TNJ
(C)Ankle
(D)STJ - ANSWER- (C)Ankle
,You are performing a triple arthrodesis which joint would you prep last and fixate
first?
(A)TNJ
(B)CCJ
(C)STJ
(D)Ankle - ANSWER- (C)STJ
You are performing a lateral subtalar arthrodesis, which structure do you incise
in order to access the joint?
(A) ATFL
(B) CFL
(C) PTFL
(D) Bifurcate ligament - ANSWER- (B) CFL
You are performing a STJ arthrodesis what is the hardest deformity to fix
(A) Varus
(B) Valgus
(C) Sagittal Plane
(D) Transverse plane - ANSWER- (A) Varus
You are performing an ankle arthrodesis on a patient you make a mistake with
positioning of the arthrodesis, which position would be best to have the foot in?
(A)5 Degrees Plantarflexed
(B)5 Degrees Dorsiflexed
(C)5 mm Anteriorly Offset
(D)6 degrees of valgus - ANSWER- (B)5 Degrees Dorsiflexed
You are with a certain attending who fuses the ankle in a plantarflexed position,
what would be the complication with this positioning?
(A) Shoulder drop on the affected side
(B) Supination of the affected extremity
(C) Pronation of the contralateral extremity
(D) Vaulting gait - ANSWER- (D) Vaulting gait
What would be a contraindication to Arthroscopic ankle arthrodesis?
(A)Severe Inflammatory Arthritis
(B)Endstage arthritis with extensive osteophytes
(C)BMI 35
(D)15 degrees of ankle varus - ANSWER- (D)15 degrees of ankle varus
, Also 5 degrees of varus. 10 degrees varus/valgus for TAR contraindication
You are performing a triple arthrodesis. You put the patient in varus by accident.
What would be the most common complication ?
(A) Ankle Arthritis
(B) Lateral Column Pain
(C) Lateral ankle instability
(D) Plantar Fasciitis - ANSWER- (B) Lateral Column Pain
Patient has a calcaneal fracture with a massive lateral wall blowout. What is the
most common complication for a poor reduction?
(A)Nonunion
(B)Lateral Column Instability
(C)Peroneal Tendonitis
(D)Sural Neuritis - ANSWER- (C)Peroneal Tendonitis
Patient has a 4 cm rupture of the achilles tendon you repair the rupture what is
the most common complication?
(A)Re-rupture
(B)Infection
(C)Weakness
(D)Dehiscence - ANSWER- (D)Dehiscence
You are doing a medial subtalar joint dissection approach. Which structure do
you not incise?
(A)Superficial Deltoid
(B)Deep Deltoid
(C)Posterior Tibialis
(D)Interosseous Ligament - ANSWER- (B)Deep Deltoid
You wish to block factor II which medication does this?
(A)Pradaxa
(B)Eliquis
(C)Brilinta
(D)Plavix - ANSWER- (A)Pradaxa
In performing a posteromedial release for a congenital clubfoot deformity, what is
the most important joint to release to prevent recurrence of the deformity?
•A. ankle.
•B. subtalar.
•C. talonavicular.
