Lumbosacral plexus branches, lower limb compartments, and classic nerve injury presentations (e.g. foot drop), one fact per card.
40 cards · basic cards · AI-written, checked twice. Edit anything.
- Which spinal nerve roots form the lumbar plexus?
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L1-L4- Which spinal nerve roots form the sacral plexus?
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L4-S4- What are the spinal nerve root levels of the femoral nerve?
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L2-L4- What are the spinal nerve root levels of the obturator nerve?
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L2-L4- What are the spinal nerve root levels of the sciatic nerve?
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L4-S3- What are the two terminal branches of the sciatic nerve?
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Tibial nerve and common fibular (peroneal) nerve- The sciatic nerve is the ____ nerve in the human body.
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largest- Which thigh compartment does the femoral nerve innervate?
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The anterior thigh compartment (quadriceps femoris)- Which thigh compartment does the obturator nerve innervate?
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The medial thigh compartment (adductor muscles)- Which thigh compartment do tibial fibers of the sciatic nerve innervate?
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The posterior thigh compartment (hamstrings)- What is the most common cause of common fibular nerve injury?
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Compression or fracture at the fibular neck- The common fibular nerve is vulnerable to injury as it wraps around the ____.
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fibular neck- What classic motor deficit results from common fibular nerve injury?
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Foot drop- Which leg compartment does the deep fibular nerve innervate?
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The anterior leg compartment (ankle and toe dorsiflexors)- Which leg compartment does the superficial fibular nerve innervate?
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The lateral leg compartment (foot evertors)
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