Lumbar and Sacral Plexus Flashcards Preview

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Flashcards in Lumbar and Sacral Plexus Deck (17):
1

Supplies skin of the anterior abdominal wall

Iliohypogastric

2

Supplies skin of the groin and scrotum/ labia majora

Ilioinguinal

3

Supplies the anterior surface of the psoas

Genitofemoral

4

Division of the genitofemoral that supplies the cremaster muscle

Genital branch

5

Division of the genitofemoral that supplies the skin on the thigh

femoral branch

6

Supplies the skin over the lateral surface of the thigh

Lateral femoral cutaneous

7

Largest branch of the lumbar plexus

Femoral nerve

8

Supplies the muscles on the anterior thigh and skin on the antero medial aspect

Femoral nerve

9

Supplies the medial thigh muscles and skin in the medial aspect

Obturator nerve

10

Sacral plexus is formed by:

Anterior rami of L4-L5 and S1-S4

11

Branch of the sacral plexus that supplies the gluteus medius and minimus

Superior gluteal

12

Branch of the sacral plexus that supplies the gluteus maximus

Inferior gluteal

13

Branch of the sacral plexus that supplies the perineum

Pudendal (S2, S3, S4)

14

Branch of the sacral plexus that supplies the skin on the lower medial part of the buttock

Perforating cutaneous nerve

15

Supplies skin on the lower medial part of the buttock

Perforating cutaneous nere

16

Branch of lumbar plexus that arises from the anterior aspect of the psoas

Genitofemoral

17

Lumbar plexus branch that arises from the medial border of psoas

Obturator nere