Exam 3: Lumbar Nerves Flashcards
1
Q
___ pairs of lumbar nerves
A
5
2
Q
Each lumbar nerve root divides into
A
Anterior and posterior primary rami
3
Q
Posterior primary rami travel posteriorly and divide into
A
Medial and lateral branches
4
Q
Medial branches of posterior primary rami supply
A
Multifidi
5
Q
Lateral branches of posterior primary rami supply
A
Erector spinae group
6
Q
Anterior primary rami of lumbar nerves contribute to
A
Lumbar (L1-4) plexus
Sacral (L4-5) plexus
7
Q
number of lumbar sympathetic ganglia
A
4
8
Q
White rami communicans associated w/
A
L1
L2
Sometimes L3
9
Q
Gray rami communicans associated w/
A
Each lumbar spinal nerve
