Lumbar plexus

where is the lumbar plexus

imbedded in the psoas muscle

what is the lumbar plexus formed of

anterior rami of L1 to L4 with a contribution form T12

What are the names of the nerve deriving from the lumbar plexus

subcostal, iliohypogastric, ilioinguinal, genitofemoral, lateral femoral cutaneous, femoral, obturator, lumbosacral trunk

c

T12

Where does the iliohypogastric n. come from

L1

where does the ilioinguinal n. come from

L1

where does the genitofemoral n. come form

L1 and L2

Where does the lateral femoral cutaneous n. come from

L2 and L3

where does the femoral nerve come form

L2, L3 and L4

Where does the obturator n. come from

L2 and L3 and L4

Where does the lumbosacral n. come from

L4 and L5

what is the motor innervation of the iliohypogastric nerve

internal oblique, transverse abdominis, conjoint lig

what is the sensory innervation of the iliohypogastric nerve

skin over suprepubic region and posterolateral gluteal skin

what is the motor innervation of the ilioinguinal nerve

internal oblique and transverse abdominis muscles

what is the sensory innervation of the ilioinguinal nerve

upper media thigh and the anterior scrotum or labia

what is the innervation of the genital branch of the genitofemoral nerve

cremaster; skin of scrotum or labia

what is the innervation of the femoral branch of the genitofemoral nerve

skin over the femoral triangle

what is the sensory innervation of the lateral femoral cutaneous nerve of thigh

anterolateral thigh

what is the motor innervation of the femoral nerve

iliacus, pectineus and anterior thigh compartment

what is the sensory innervation of the femoral nerve

anteromedial thigh; medial leg and foot via saphenous

what is the motor innervation of the obturator nerve

medial thigh compartment

what is the sensory innervation of the obturator nerve

medial thigh skin

where does the lumbosacral trunk go

descends into the pelvis to join the sacral plexus