Lumbosacral Plexus Flashcards
Lumbar plexus nerves
femoral nerve
obturator nerve
ventral rami of the femoral nerve
L2, L3, upper division of L4.
the femoral nerve emerges lateral to the _____
psoas major muscle
femoral nerve supplies
anterior thigh muscles
femoral nerve gives off ____ which supplies the medial leg and foot
saphenous nervce
the femoral nerve gives off saphenous nerve that supplies ____ and ___.
medial leg and foot
ventral rami or obturator nerve
L2, L3, and l4 upper
the obturator nerve primarily supplies the ____
medial thigh
ventral rami of the sciatic nerve
L4 lower, l5-s3
sciatic nerve is the ___ nerve in the body
largest
two branches of the sciatic nerve
tibial and common fibular
the tibial nerve supplies all of the ____ muscles
posterior leg
deep fibular supples ____ musclse
anterior leg
superficial fibular nerve supplies ___ muscles
lateral leg
ventral rami of superior gluteal nerve
l4 lower, l5, s1
the superior gluteal nerve innervates
gluteus medius, gluteus minimus, and TFL
ventral rami of inferior gluteal nerve
l5-s2
inferior gluteal nerve innervates
gluteus maximus
ventral rami of nerve to quadrature femoris and inferior gemellus
l4 lower, l5, s1
ventral rami of nerve to obturator internus and superior gemellus
l5, s1, s2
ventral rami of nerve to piriformis
s2
ventral rami of posterior femoral cutaneous nerve
s1-s3
PFC supplies
skin of posterior thigh
ventral rami. of pudendal nerve
s2-s4
pudendal nerve supples
genitalia, lower rectum
lumbar plexus is found on the ___ wall, derives from ventral rami ______
posterior abdominal; l1-l4 upper
generally speaking, lumbar plexus supplies
lateral, anterior and medial thigh
sacral plexus found on ___ wall, derived from ventral rami
lateral pelvis; derived from ventral rami l4 lower to s4
sacral plexus generally speaking supplies
gluteal region, posterior thigh, the leg and foot
