Lumbar Plexus Flashcards
What spinal segment does the femoral nerve derive from?
L2, L3, L4
What spinal segment does the obturator nerve derive from?
L2, L3, L4
What spinal segment does the sciatic nerve derive from?
L4, L5, S1, S2
What spinal segment does the superior gluteal nerve derive from?
L4, L5, S1
What spinal segment does the inferior gluteal nerve derive from?
L5, S1, S2
What spinal segment does the posterior cutaneous nerve of the thigh derive from?
S1, S2, S3
What spinal segment does the nerve to quadratus femoris derive from?
L4, L5, S1
What spinal segment does the nerve to obturator internus derive from?
L5, S1, S2
What is the motor function of the ilio-inguinal nerve?
Abdominal wall
What is the motor function of the femoral nerve?
Anterior thigh.
Has branches to the iliacus and pectineus
What is the motor function of the obturator nerve?
Medial compartment of the thigh and obturator externus
What is the motor function of the superior gluteal nerve?
Gluteus medius
Gluteus minimus
Tensor faciae latae
What is the motor function of the inferior gluteal nerve?
Gluteus maximus
What is the motor function of the nerve to quadratus femoris?
Quadratus femoris
Gemellus inferior
What is the motor function of the nerve to obturator internus?
Obturator internus
Gemellus superior
What is the sensory function of the ilio-inguinal nerve?
Anteromedial upper thigh and the adjacent skin of the perineum.
What is the sensory function of the genitofemoral nerve?
Femoral branch: anterocentral upper thigh
Anterior branch: perineum
What is the sensory function of the femoral nerve?
Anterior thigh
Medial knee, leg and foot
What is the sensory function of the obturator nerve?
Upper medial aspect of the tigh
What is the sensory function of the sciatic nerve?
Lateral leg and foot
Sole and dorsal aspect of the foot
What is the sensory function of the lateral cutaneous nerve of the thigh?
Parietal peritoneum of the iliac fossa.
Anterolateral thigh
What is the sensory function of the posterior cutaneous nerve of the thigh?
Gluteal fold
Upper medial aspect of the thigh
Posterior aspect of the thigh and upper leg
What is the sensory function of the perforating cutaneous nerve?
Medial gluteal fold