lumbar spinal nerves Flashcards
what are the lumbar spinal nerves names for?
the vertebra above
how many pairs of lumbar spinal nerves are there
5
each lumbar nerve root divides into what
anterior primary ramus and posterior primary ramus
the posterior primary rami of the lumbar nerves are divided into what as they travel posterior
medial and lateral branches
what does the medial branch of posterior primary rami of the lumbar nerves supply
the multifidi muscles
the lateral branches of the posterior primary rami of the lumbar nerves supply what
erector spinae group
what plexus does the anterior primary rami of the lumbar spinal nerves supply
the lumbar plexus (L1-L4) and the sacral plexus (L4 and L5)
typically how many lumbar sympathetic ganglia are there
4
what lumbar spinal nerves will be associated with white rami communicans
L1,L2, and L3(sometimes)
what lumbar spinal nerves will be associated with a gray ramus communicans
all of them