Nerves of Posterior Ab Wall Flashcards
0
Q
Lumbar Plexus Branches?
A
Iliohypogastric-L1 Ilioinguinal-L1 Genitofemoral-L1-L2 Lateral cutaneous nerve of the thigh-L2-L3 Femoral-L2-L4 Obturator-L2-L4 Accessory Obturator-L3 or L4 or both Lumbosacral trunk-L4-L5
1
Q
What are the major sources of innervation for structure along the posterior abdominal wall?
A
Autonomic nerves
Subcostal-anterior ramus of T12 (also gives branch to lumbar plexus)
Lumbar Plexus-formed inside proximal portion of psoas major, formed by ventral rami of L1-L3 and most of L4
