2.4 Spinal Nerve (II) Part 2 Flashcards
What are the two divisions of the lumbar plexus?
anterior
posterior
What do the nerves of the lumbar plexus supply?
pelvis
lower extremities
What is the major nerve of the lumbar plexus?
femoral nerve
What does the femoral nerve supply?
hip flexors
knee extensors
sensation to the skin of the anterior thigh
What does the lateral femoral cutaneous nerve supply?
sensory information from the skin of the anterior, lateral, and posterior surfaces of the thigh
What does the saphenous nerve supply?
receives information from the medial surface of the leg
What are the three important nerves of the lumbar plexus?
femoral
lateral femoral cutaneous
saphenous
Where do the sacral plexus nerves arise from?
ventral Rami of L4-S4
What are the important nerves of the sacral plexus?
sciatic nerve
common fibular nerve
tibial nerve
What is the largest nerve in the human body?
sciatic nerve
What does the sciatic nerve supply?
inferior trunk
posterior surface of the thigh
What are the two main branches of the sciatic nerve?
common fibular nerve
tibial nerve
