Orthotics and Prosthetics Combined Written Boards Exam Questions with Verified Answers

Orthotics and Prosthetics Combined Written Boards Exam Questions with Verified Answers 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 A. Knee extension what is the largest nerve of the lumbar plexus? the femoral nerve what is the primary flexor of the hip? Iliopsoas paralytic equinus during swing phase is often caused by injury to what nerve? common peroneal nerve toe is in a down position, dorsiflexion limitation of the ankle Equinus deformity what is a cycle of gait defined as? 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 C. Line of progression what joint do the motions of inversion and eversion occur primarily at? subtalar joint what bones make up the talocrural joint? talus, tibia, fibula what motion occurs in the talocrural joint? dorsiflexion and plantar flexion essentially a hinge type joint what is the primary action of the medial ligament of the ankle? resist over-eversion of the foot what is the primary action of the lateral ligament of the ankle? resist over-inversion of the foot what muscles produce dorsiflexion of the ankle? tibialis anterior, extensor hallucis longus, extensor digitorum longus what muscles produce plantarflexion of the ankle? gastrocnemius, soleus, plantaris and posterior tibialis what bones form the subtalar joint? (aka talocalcaneal joint) talus and calcaneus what joints make up the midtarsal joint? talonavicular, calcaneocuboid what makes up the talonavicular joint? the anterior talar head and the concavity on the navicular what makes up the calcaneocuboid joint? the anterior facet of the calcaneus and the posterior cuboid what are the Chopart joints? midtarsal joints (talonavicular and calcaneocuboid) what are the Lisfranc joints? tarsometatarsal joints what makes up the medial column of the tarsometatarsal joints? 1st metatarsal and medial cuneiform what makes up the middle column of the tarsometatarsal joints? 2nd and 3rd metatarsal and intermediate and lateral cuneiforms what makes up the lateral tarsometatarsal joints? 4th and 5th metatarsals and the cuboid what motions are produced at the subtalar joint? inversion and eversion, dorsiflexion an plantar flexion