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ORTHOTICS AND PROSTHETICS
COMBINED WRITTEN BOARDS EXAM
2026 QUESTIONS AND ANSWERS | A+
GRADED | WITH EXPERT SOLUTIONS
A. Knee extension - correct answer -a complete lesion of the
femoral nerve as it leaves the lumbar plexus affects what motion?
A. knee extension
B. hip adduction
c. hip extension
d. knee flexion
e. ankle plantarflexion
the femoral nerve - correct answer -what is the largest nerve of
the lumbar plexus?
Iliopsoas - correct answer -what is the primary flexor of the hip?
common peroneal nerve - correct answer -paralytic equinus
during swing phase is often caused by injury to what nerve?
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Equinus deformity - correct answer -toe is in a down position,
dorsiflexion limitation of the ankle
heel strike on one limb and a subsequent heel strike on the
ipsilateral side - correct answer -what is a cycle of gait defined
as?
C. Line of progression - correct answer -toe in or toe out is the
relationship of the long axis of the foot to the:
A. subtalar joint
B. ankle joint axis
C. line of progression
D. Knee axis
subtalar joint - correct answer -what joint do the motions of
inversion and eversion occur primarily at?
talus, tibia, fibula - correct answer -what bones make up the
talocrural joint?
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dorsiflexion and plantar flexion
essentially a hinge type joint - correct answer -what motion occurs
in the talocrural joint?
resist over-eversion of the foot - correct answer -what is the
primary action of the medial ligament of the ankle?
resist over-inversion of the foot - correct answer -what is the
primary action of the lateral ligament of the ankle?
tibialis anterior, extensor hallucis longus, extensor digitorum
longus - correct answer -what muscles produce dorsiflexion of the
ankle?
gastrocnemius, soleus, plantaris and posterior tibialis - correct
answer -what muscles produce plantarflexion of the ankle?
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talus and calcaneus - correct answer -what bones form the
subtalar joint? (aka talocalcaneal joint)
talonavicular, calcaneocuboid - correct answer -what joints make
up the midtarsal joint?
the anterior talar head and the concavity on the navicular - correct
answer -what makes up the talonavicular joint?
the anterior facet of the calcaneus and the posterior cuboid -
correct answer -what makes up the calcaneocuboid joint?
midtarsal joints (talonavicular and calcaneocuboid) - correct
answer -what are the Chopart joints?
tarsometatarsal joints - correct answer -what are the Lisfranc
joints?
ORTHOTICS AND PROSTHETICS
COMBINED WRITTEN BOARDS EXAM
2026 QUESTIONS AND ANSWERS | A+
GRADED | WITH EXPERT SOLUTIONS
A. Knee extension - correct answer -a complete lesion of the
femoral nerve as it leaves the lumbar plexus affects what motion?
A. knee extension
B. hip adduction
c. hip extension
d. knee flexion
e. ankle plantarflexion
the femoral nerve - correct answer -what is the largest nerve of
the lumbar plexus?
Iliopsoas - correct answer -what is the primary flexor of the hip?
common peroneal nerve - correct answer -paralytic equinus
during swing phase is often caused by injury to what nerve?
, Page | 2
Equinus deformity - correct answer -toe is in a down position,
dorsiflexion limitation of the ankle
heel strike on one limb and a subsequent heel strike on the
ipsilateral side - correct answer -what is a cycle of gait defined
as?
C. Line of progression - correct answer -toe in or toe out is the
relationship of the long axis of the foot to the:
A. subtalar joint
B. ankle joint axis
C. line of progression
D. Knee axis
subtalar joint - correct answer -what joint do the motions of
inversion and eversion occur primarily at?
talus, tibia, fibula - correct answer -what bones make up the
talocrural joint?
, Page | 3
dorsiflexion and plantar flexion
essentially a hinge type joint - correct answer -what motion occurs
in the talocrural joint?
resist over-eversion of the foot - correct answer -what is the
primary action of the medial ligament of the ankle?
resist over-inversion of the foot - correct answer -what is the
primary action of the lateral ligament of the ankle?
tibialis anterior, extensor hallucis longus, extensor digitorum
longus - correct answer -what muscles produce dorsiflexion of the
ankle?
gastrocnemius, soleus, plantaris and posterior tibialis - correct
answer -what muscles produce plantarflexion of the ankle?
, Page | 4
talus and calcaneus - correct answer -what bones form the
subtalar joint? (aka talocalcaneal joint)
talonavicular, calcaneocuboid - correct answer -what joints make
up the midtarsal joint?
the anterior talar head and the concavity on the navicular - correct
answer -what makes up the talonavicular joint?
the anterior facet of the calcaneus and the posterior cuboid -
correct answer -what makes up the calcaneocuboid joint?
midtarsal joints (talonavicular and calcaneocuboid) - correct
answer -what are the Chopart joints?
tarsometatarsal joints - correct answer -what are the Lisfranc
joints?
