Orthotics and Prosthetics Combined Written Boards
EXAM QUESTIONS AND VERIFIED CORRECT ANSWERS
LATEST 2026-2027 NEW VERSION
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 - answer>>>A. Knee extension
what is the largest nerve of the lumbar plexus? - answer>>>the femoral nerve
what is the primary flexor of the hip? - answer>>>Iliopsoas
paralytic equinus during swing phase is often caused by injury to what nerve? -
answer>>>common peroneal nerve
toe is in a down position, dorsiflexion limitation of the ankle - answer>>>Equinus
deformity
what is a cycle of gait defined as? - answer>>>heel strike on one limb and a
subsequent heel strike on the ipsilateral side
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 - answer>>>C. Line of progression
, -
what joint do the motions of inversion and eversion occur primarily at? -
answer>>>subtalar joint
what bones make up the talocrural joint? - answer>>>talus, tibia, fibula
what motion occurs in the talocrural joint? - answer>>>dorsiflexion and plantar
flexion
essentially a hinge type joint
what is the primary action of the medial ligament of the ankle? - answer>>>resist
over-eversion of the foot
what is the primary action of the lateral ligament of the ankle? - answer>>>resist
over-inversion of the foot
what muscles produce dorsiflexion of the ankle? - answer>>>tibialis anterior,
extensor hallucis longus, extensor digitorum longus
what muscles produce plantarflexion of the ankle? - answer>>>gastrocnemius,
soleus, plantaris and posterior tibialis
what bones form the subtalar joint? (aka talocalcaneal joint) - answer>>>talus and
calcaneus
what joints make up the midtarsal joint? - answer>>>talonavicular, calcaneocuboid
what makes up the talonavicular joint? - answer>>>the anterior talar head and the
concavity on the navicular
,what makes up the calcaneocuboid joint? - answer>>>the anterior facet of the
calcaneus and the posterior cuboid
what are the Chopart joints? - answer>>>midtarsal joints (talonavicular and
calcaneocuboid)
what are the Lisfranc joints? - answer>>>tarsometatarsal joints
what makes up the medial column of the tarsometatarsal joints? - answer>>>1st
metatarsal and medial cuneiform
what makes up the middle column of the tarsometatarsal joints? - answer>>>2nd
and 3rd metatarsal and intermediate and lateral cuneiforms
what makes up the lateral tarsometatarsal joints? - answer>>>4th and 5th
metatarsals and the cuboid
what motions are produced at the subtalar joint? - answer>>>inversion and
eversion, dorsiflexion an plantar flexion
what motions are produced at the midtarsal joint? - answer>>>inversion and
eversion. flexion and extension
what motions are produced at the metatarsalphalangeal joints? - answer>>>flexion
and extension, abduction and adduction
what motions are produced at the IP joints? - answer>>>flexion and extension
a complete lesion of the tibial nerve on one leg will result in what gait deviations?
A. foot slap on ipsilateral side
B. gluteus medius limp on contralateral side
, -
C. Shortened step length on ipsilateral side
D. shortened step length on contralateral side - answer>>>D. shortened step length
on contralateral side
what muscles are innervated by the tibial nerve? - answer>>>(posterior lower leg
muscles)
gastrocnemius, soleus, plantaris, popliteus, tibialis posterior, flexor digitorum longus,
flexor hallucis longus
what is the C3 myotome - answer>>>cervical lateral flexion
what is the C4 myotome - answer>>>shoulder elevation
what is the C5 myotome - answer>>>shoulder abduction
what is the C6 myotome - answer>>>elbow flexion, wrist extension
what is the C7 myotome - answer>>>elbow extension, wrist flexion
what is the C8 myotome - answer>>>thumb extension, finger flexion
what is the T1 myotome - answer>>>finger abduction and adduction
what is the L2 myotome - answer>>>hip flexion
what is the L3 myotome - answer>>>knee extension
what is the L4 myotome - answer>>>ankle DF
EXAM QUESTIONS AND VERIFIED CORRECT ANSWERS
LATEST 2026-2027 NEW VERSION
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 - answer>>>A. Knee extension
what is the largest nerve of the lumbar plexus? - answer>>>the femoral nerve
what is the primary flexor of the hip? - answer>>>Iliopsoas
paralytic equinus during swing phase is often caused by injury to what nerve? -
answer>>>common peroneal nerve
toe is in a down position, dorsiflexion limitation of the ankle - answer>>>Equinus
deformity
what is a cycle of gait defined as? - answer>>>heel strike on one limb and a
subsequent heel strike on the ipsilateral side
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 - answer>>>C. Line of progression
, -
what joint do the motions of inversion and eversion occur primarily at? -
answer>>>subtalar joint
what bones make up the talocrural joint? - answer>>>talus, tibia, fibula
what motion occurs in the talocrural joint? - answer>>>dorsiflexion and plantar
flexion
essentially a hinge type joint
what is the primary action of the medial ligament of the ankle? - answer>>>resist
over-eversion of the foot
what is the primary action of the lateral ligament of the ankle? - answer>>>resist
over-inversion of the foot
what muscles produce dorsiflexion of the ankle? - answer>>>tibialis anterior,
extensor hallucis longus, extensor digitorum longus
what muscles produce plantarflexion of the ankle? - answer>>>gastrocnemius,
soleus, plantaris and posterior tibialis
what bones form the subtalar joint? (aka talocalcaneal joint) - answer>>>talus and
calcaneus
what joints make up the midtarsal joint? - answer>>>talonavicular, calcaneocuboid
what makes up the talonavicular joint? - answer>>>the anterior talar head and the
concavity on the navicular
,what makes up the calcaneocuboid joint? - answer>>>the anterior facet of the
calcaneus and the posterior cuboid
what are the Chopart joints? - answer>>>midtarsal joints (talonavicular and
calcaneocuboid)
what are the Lisfranc joints? - answer>>>tarsometatarsal joints
what makes up the medial column of the tarsometatarsal joints? - answer>>>1st
metatarsal and medial cuneiform
what makes up the middle column of the tarsometatarsal joints? - answer>>>2nd
and 3rd metatarsal and intermediate and lateral cuneiforms
what makes up the lateral tarsometatarsal joints? - answer>>>4th and 5th
metatarsals and the cuboid
what motions are produced at the subtalar joint? - answer>>>inversion and
eversion, dorsiflexion an plantar flexion
what motions are produced at the midtarsal joint? - answer>>>inversion and
eversion. flexion and extension
what motions are produced at the metatarsalphalangeal joints? - answer>>>flexion
and extension, abduction and adduction
what motions are produced at the IP joints? - answer>>>flexion and extension
a complete lesion of the tibial nerve on one leg will result in what gait deviations?
A. foot slap on ipsilateral side
B. gluteus medius limp on contralateral side
, -
C. Shortened step length on ipsilateral side
D. shortened step length on contralateral side - answer>>>D. shortened step length
on contralateral side
what muscles are innervated by the tibial nerve? - answer>>>(posterior lower leg
muscles)
gastrocnemius, soleus, plantaris, popliteus, tibialis posterior, flexor digitorum longus,
flexor hallucis longus
what is the C3 myotome - answer>>>cervical lateral flexion
what is the C4 myotome - answer>>>shoulder elevation
what is the C5 myotome - answer>>>shoulder abduction
what is the C6 myotome - answer>>>elbow flexion, wrist extension
what is the C7 myotome - answer>>>elbow extension, wrist flexion
what is the C8 myotome - answer>>>thumb extension, finger flexion
what is the T1 myotome - answer>>>finger abduction and adduction
what is the L2 myotome - answer>>>hip flexion
what is the L3 myotome - answer>>>knee extension
what is the L4 myotome - answer>>>ankle DF
