Lumbar Plexus Flashcards
What is the segmental innervation of the Iliohypogastric nerve
L1, sometimes L2 (anterior)
What is the segmental innervation of the ilioguinal nerve?
L1 (anterior division)
What is the segmental innervation of the Lateral (Femoral) Cutaneous nerve of the thigh?
L2, L3, (posterior division)
Entrapment of what nerve leads to Meralgia Paresthesia?
Lateral (femoral) Cutaneous nerve of the thigh
What nerve passes through the psoas major?
Genitofemoral nerve
What is the segmental innervation of the genitofemoral nerve?
L1, L2 (anterior)
What are the two descending branches of the genitofemoral nerve?
Femoral and genital
What is the largest branch of the lumbar plexus?
Femoral nerve
What is the segmental innervation of the Femoral nerve?
L2, L3, L4 (posterior)
The Femoral nerve supplies the medial aspect of the leg and foot through what branch?
Saphenous nerve
What nerve gives off articular branches to the hip and knee joints?
Femoral nerve
In what nerve would you suspect damage if the quadriceps cannot extend the knee?
Femoral nerve
Where would you see loss of sensation with damage to the femoral nerve?
Medial and intermediate anterior thigh, medial leg and foot
Loss of sensation in the medial leg and foot could indicate damage to what nerve?
Saphenous nerve
Compression of what nerve could lead to knee pain and paresthesia?
Saphenous nerve
