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30 Cards in this Set

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