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30 Cards in this Set
- Front
- Back
what are the major nerves of the lower extremity
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sciatic, post femoral cutaneous, femoral, lateral femoral cutaneous, and obturator
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lower ext blocks improve pt disposition by
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providing superior postop pain relief
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lumbar plexus
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L1-4 and some T12
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lumbar plexus forms what nerves
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lateral femoral cutaneous, femoral and obturator
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lumosacral plexus
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L4-5 and S1-3
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what is the easiest and most commonly used lower ext block
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ankle
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the lumbar plexus lies within what muscle
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psoas
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the sciatic nerve forms the
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common peroneal and tibial
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lumbar plexus innervates the
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ventral aspect
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lumbosacral plexus innervates the
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dorsal aspect
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what is the largest branch of the lumbar plexus
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femoral nerve
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what nerve descends along the post aspect of the psoas muscle and through the pelvis to the thigh
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obturator
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what nerve passes under the lateral end of the inguinal ligament
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lateral femoral cutaneous
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obturator supplies
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adductor groups, hip and knee joints, and often skin on medial aspect of thigh prox to knee
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it provides cutaneous innervation to the lateral portion of the buttock distal to the greater trochanter
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later femoral cutaneous
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what innervates the prox two thirds of the lateral aspect of the thigh
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lateral femoral cutaneous
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the lumbar plexus lies between what muscles
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psoas and quadratus lumborum muscles in the psoas compartment
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what parts of the plexus innervates the ant and med thigh
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L2, L3, L4
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the ant divisions of L2, L3, L4 form what nerve
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obturator
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the post division of the L2, L3, L4 form what nerve
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femoral
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what nerve is formed by the post divisions of L2 and L3
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lateral femoral cutaneous
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where does the sciatic nerve seperate
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popliteal fossa
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when the sciatic seperates, which is medial
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tibial
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the obturator nerve is derived primarily from the
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third and fourth lumbar nerves with occ supply from L2
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what is the largest of the peripheral nerves of the lower ext
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sciatic
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what is the most difficult of the lower ext blocks
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obturator
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is the obturator primarly motor or sensory
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motor
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what block is good for skin grafting
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lateral femoral cutaneous
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what block for muscle biopsy of quadriceps
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femoral
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psoas compartment blocks anesthetizes
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hip and anterolateral thigh
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