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Systemic Anatomy

Lumbar Plexus

QuestionAnswer
The Lumbar Plexus involves which spinal nerve roots? L1,2,3,4
Name the spinal nerve root for the following nerve: Ilioinguinal nerve L1
Name the spinal nerve root for the following nerve: Iliohypogastric L1
Name the spinal nerve root for the following nerve: Genitofemoral L1,2
Name the spinal nerve root for the following nerve: Femoral L2,3,4
Name the spinal nerve root for the following nerve: Obturator L2,3,4
Name the spinal nerve root for the following nerve: Lateral Cutaneus Femoral L2,3
Name the spinal nerve root for the following nerve: Lumbosacral trunk L4,5
The ilioinguinal nerve supplies motor innervation to which muscles? part of the internal & external oblique muscles as well as the transverse abdominis
The ilioinguinal nerve supplies sensory innervation to what areas? The skin of the upper medial aspect of the thigh, root of the penis scrotum and scrotum, labia majora and mons pubis
The ilioinguinal nerve is sometimes damaged in surgical procedures that repair inguinal hernias, how would the pateint present their complaints? The pateint would complain of a loss of feeling to an area refered to as the "hands in pocket" area
Name the motor and sensory contributions of the Iliohypogastric Nerve Motor: muscles of the anterolateral abdominal wall sensory: skin of the lower abdomen & buttock
The genitofemoral nerve has 2 branches, the genital branch and the femoral branch, which is motor and which is sensory? Genital - Motor (to the Cremaster) Femoral - Sensory (to the skin of the middle anterior surface of the thigh, scrotum in male & labia major in female)
The Femoral nerve supplies motor and sensory innervation to what muscles and areas? Motor: Iliacus, Pectineus, Sartorius, & Quadriceps Sensory: skin of anterior and medial thigh
The saphenous nerve is a branch off of what nerve? Femoral - the Saphenous suppies sensory to the skin of the medial aspect of the thigh, leg and foot
The obturator nerve supplies motor and sensory to which muscles and areas? Motor: adductor longus, brevis, & magnus, gracilis, and obturator externus Sensory: skin of the medial thigh
The lateral cutaneus nerve supplies sensory to what areas? skin of the lateral and anterior thigh
Created by: Brad Hall