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Systemic Anatomy
Lumbar Plexus
| Question | Answer |
|---|---|
| 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
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