ABFAS BOARDS PRACTICE SOLUTION 2026
QUESTIONS WITH ANSWERS GRADED A+
◉ What type of nerve injury is characterized by damage to axons
and myelin sheath while maintaining intact connective tissue?
Answer: Axonotmesis.
◉ Which ligament should not be released during surgical correction
of club foot? Answer: Deep deltoid ligament.
◉ What is a common complication following surgical treatment of
talar neck fractures? Answer: Post-operative varus malunion of the
talar neck.
◉ What structure is likely severed during a resection of a painful
Morton's neuroma? Answer: Second plantar interossei.
◉ Which nerve is most vulnerable to compression injury below the
heel? Answer: 1st branch of the lateral plantar nerve (Baxter's
nerve).
◉ What nerve injury is likely during dissection after an opening base
wedge osteotomy if the patient complains of pain and numbness in
the dorsal medial foot? Answer: Medial dorsal cutaneous nerve.
,◉ What is the most likely source of symptoms in a patient with pain
and burning in the 1st and 2nd digits after a scarf bunionectomy?
Answer: Injury to the deep peroneal nerve.
◉ What is the most appropriate first treatment for a blanched toe
after tourniquet release following hammertoe repair? Answer: Place
the limb in dependency.
◉ What is the most likely cause of nonunion after a Lapidus and
Weil osteotomy? Answer: Inadequate resection of the 1st metatarsal
cuneiform joint.
◉ What gait pattern is likely to cause a new plantar heel ulceration
after tendo-achilles lengthening? Answer: Calcaneal gait.
◉ Which sized split-thickness skin graft is least likely to contract
over time? Answer: 0.018 mesh.
◉ What is the most appropriate treatment for a 17-year-old with
residual foot pain after calcaneonavicular coalition resection?
Answer: CT scan to evaluate for unrecognized second coalition.
,◉ What is the most likely reason for bony ingrowth in a total
Swanson 1st MTP joint implant? Answer: Fibrous hyperplasia within
medullary bone.
◉ What is not an appropriate treatment for a blanching digit after
hammertoe repair? Answer: Vasoconstrictors.
◉ What type of nerve injury involves damage to the myelin sheath
but maintains an intact endoneurial structure? Answer:
Neuropraxia.
◉ What is the most frequent complication following a triple
arthrodesis? Answer: Nonunion, often at the talonavicular joint.
◉ What is the most likely reason for recurrence of a fibroma after
excision? Answer: Incomplete excision.
◉ What structure was likely damaged in a patient with adduction
and medial deviation of the third toe post-Morton's neuroma
resection? Answer: 3rd dorsal interossei.
◉ What complication can occur due to excessive tension on the
short plantar ligament after an Evan's osteotomy? Answer: Bridge
plate over cuboid.
, ◉ What technique can prevent troughing during lateral
displacement in a scarf osteotomy? Answer: Distal saw cut made in
metaphysical bone.
◉ What is preaxial polydactyly? Answer: An extra digit on the medial
aspect of the medial ray or hallux.
◉ What is the most common post-operative complication following
endoscopic plantar fasciotomy? Answer: Calcaneal-cuboid joint
discomfort.
◉ What complication is most likely to occur following a closing base
wedge osteotomy? Answer: First metatarsal elevatus.
◉ What is the likely explanation for claw toe deformities in a patient
with a comminuted calcaneal fracture? Answer: Unrecognized
compartment syndrome
◉ What complication is most likely following a proximal akin
osteotomy? Answer: Delayed union, secondary to hinge fracture
◉ Which hallux valgus procedure has the highest incidence of a
second metatarsal fracture? Answer: Mini tightrope
QUESTIONS WITH ANSWERS GRADED A+
◉ What type of nerve injury is characterized by damage to axons
and myelin sheath while maintaining intact connective tissue?
Answer: Axonotmesis.
◉ Which ligament should not be released during surgical correction
of club foot? Answer: Deep deltoid ligament.
◉ What is a common complication following surgical treatment of
talar neck fractures? Answer: Post-operative varus malunion of the
talar neck.
◉ What structure is likely severed during a resection of a painful
Morton's neuroma? Answer: Second plantar interossei.
◉ Which nerve is most vulnerable to compression injury below the
heel? Answer: 1st branch of the lateral plantar nerve (Baxter's
nerve).
◉ What nerve injury is likely during dissection after an opening base
wedge osteotomy if the patient complains of pain and numbness in
the dorsal medial foot? Answer: Medial dorsal cutaneous nerve.
,◉ What is the most likely source of symptoms in a patient with pain
and burning in the 1st and 2nd digits after a scarf bunionectomy?
Answer: Injury to the deep peroneal nerve.
◉ What is the most appropriate first treatment for a blanched toe
after tourniquet release following hammertoe repair? Answer: Place
the limb in dependency.
◉ What is the most likely cause of nonunion after a Lapidus and
Weil osteotomy? Answer: Inadequate resection of the 1st metatarsal
cuneiform joint.
◉ What gait pattern is likely to cause a new plantar heel ulceration
after tendo-achilles lengthening? Answer: Calcaneal gait.
◉ Which sized split-thickness skin graft is least likely to contract
over time? Answer: 0.018 mesh.
◉ What is the most appropriate treatment for a 17-year-old with
residual foot pain after calcaneonavicular coalition resection?
Answer: CT scan to evaluate for unrecognized second coalition.
,◉ What is the most likely reason for bony ingrowth in a total
Swanson 1st MTP joint implant? Answer: Fibrous hyperplasia within
medullary bone.
◉ What is not an appropriate treatment for a blanching digit after
hammertoe repair? Answer: Vasoconstrictors.
◉ What type of nerve injury involves damage to the myelin sheath
but maintains an intact endoneurial structure? Answer:
Neuropraxia.
◉ What is the most frequent complication following a triple
arthrodesis? Answer: Nonunion, often at the talonavicular joint.
◉ What is the most likely reason for recurrence of a fibroma after
excision? Answer: Incomplete excision.
◉ What structure was likely damaged in a patient with adduction
and medial deviation of the third toe post-Morton's neuroma
resection? Answer: 3rd dorsal interossei.
◉ What complication can occur due to excessive tension on the
short plantar ligament after an Evan's osteotomy? Answer: Bridge
plate over cuboid.
, ◉ What technique can prevent troughing during lateral
displacement in a scarf osteotomy? Answer: Distal saw cut made in
metaphysical bone.
◉ What is preaxial polydactyly? Answer: An extra digit on the medial
aspect of the medial ray or hallux.
◉ What is the most common post-operative complication following
endoscopic plantar fasciotomy? Answer: Calcaneal-cuboid joint
discomfort.
◉ What complication is most likely to occur following a closing base
wedge osteotomy? Answer: First metatarsal elevatus.
◉ What is the likely explanation for claw toe deformities in a patient
with a comminuted calcaneal fracture? Answer: Unrecognized
compartment syndrome
◉ What complication is most likely following a proximal akin
osteotomy? Answer: Delayed union, secondary to hinge fracture
◉ Which hallux valgus procedure has the highest incidence of a
second metatarsal fracture? Answer: Mini tightrope
