Orthotics and Prosthetics Combined Written Boards Exam Study Questions with Correct Answers Latest Updated 2024 a complete lesion of the femoral nerve as it leaves the lumbar plexus affects what motion?
- knee extension
- hip adduction
- hip extension
- knee flexion
- ankle plantarflexion - Correct Answer A. Knee extension
what is the largest nerve of the lumbar plexus? - Correct Answer the femoral nerve what is the primary flexor of the hip? - Correct Answer Iliopsoas paralytic equinus during swing phase is often caused by injury to what nerve? - Correct Answer common peroneal nerve toe is in a down position, dorsiflexion limitation of the ankle - Correct Answer Equinus deformity what is a cycle of gait defined as? - Correct 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:
- subtalar joint
- ankle joint axis
- line of progression
- Knee axis - Correct Answer C. Line of progression
what joint do the motions of inversion and eversion occur primarily at? - Correct Answer subtalar joint 1 / 4
what bones make up the talocrural joint? - Correct Answer talus, tibia, fibula what motion occurs in the talocrural joint? - Correct Answer dorsiflexion and plantar flexion essentially a hinge type joint what is the primary action of the medial ligament of the ankle? - Correct Answer resist over-eversion of the foot what is the primary action of the lateral ligament of the ankle? - Correct Answer resist over-inversion of the foot what muscles produce dorsiflexion of the ankle? - Correct Answer tibialis anterior, extensor hallucis longus, extensor digitorum longus what muscles produce plantarflexion of the ankle? - Correct Answer gastrocnemius, soleus, plantaris and posterior tibialis what bones form the subtalar joint? (aka talocalcaneal joint) - Correct Answer talus and calcaneus what joints make up the midtarsal joint? - Correct Answer talonavicular, calcaneocuboid what makes up the talonavicular joint? - Correct Answer the anterior talar head and the concavity on the navicular what makes up the calcaneocuboid joint? - Correct Answer the anterior facet of the calcaneus and the posterior cuboid what are the Chopart joints? - Correct Answer midtarsal joints (talonavicular and calcaneocuboid) what are the Lisfranc joints? - Correct Answer tarsometatarsal joints 2 / 4
what makes up the medial column of the tarsometatarsal joints? - Correct Answer 1st metatarsal and medial cuneiform what makes up the middle column of the tarsometatarsal joints? - Correct Answer 2nd and 3rd metatarsal and intermediate and lateral cuneiforms what makes up the lateral tarsometatarsal joints? - Correct Answer 4th and 5th metatarsals and the cuboid what motions are produced at the subtalar joint? - Correct Answer inversion and eversion, dorsiflexion an plantar flexion what motions are produced at the midtarsal joint? - Correct Answer inversion and eversion. flexion and extension what motions are produced at the metatarsalphalangeal joints? - Correct Answer flexion and extension, abduction and adduction what motions are produced at the IP joints? - Correct Answer flexion and extension a complete lesion of the tibial nerve on one leg will result in what gait deviations?
- foot slap on ipsilateral side
- gluteus medius limp on contralateral side
- Shortened step length on ipsilateral side
- shortened step length on contralateral side - Correct Answer D. shortened step length on
contralateral side what muscles are innervated by the tibial nerve? - Correct Answer (posterior lower leg muscles) gastrocnemius, soleus, plantaris, popliteus, tibialis posterior, flexor digitorum longus, flexor hallucis longus 3 / 4
what is the C3 myotome - Correct Answer cervical lateral flexion what is the C4 myotome - Correct Answer shoulder elevation what is the C5 myotome - Correct Answer shoulder abduction what is the C6 myotome - Correct Answer elbow flexion, wrist extension what is the C7 myotome - Correct Answer elbow extension, wrist flexion what is the C8 myotome - Correct Answer thumb extension, finger flexion what is the T1 myotome - Correct Answer finger abduction and adduction what is the L2 myotome - Correct Answer hip flexion what is the L3 myotome - Correct Answer knee extension what is the L4 myotome - Correct Answer ankle DF what is the L5 myotome - Correct Answer great toe extension what is the S1 myotome - Correct Answer PF, eversion, hip extension what is the S2 myotome - Correct Answer knee flexion, PF a developmental disorder of the spine abnormal growth of the thoracic spine
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