Lumbar Plexus

Question 1

What vertebrae does this plexus come from

Answer 1

L4 –> S2

Question 2

How many nerves to locate

Answer 2

7 in the dog (#vert)

Question 3

What is the start and end point to locate

Answer 3

Start = A. Phrenicoabdominal
End = A. Circumflex Ilium Profunda

Question 4

What nerve do you find in m. psoas major

Answer 4

N. Femoralis

Question 5

What nerves come from L1 and L2 (2)

Answer 5

N. Iliohypogastricus cranialis and caudalis

Question 6

What nerve comes from L3

Answer 6

N. Ileoinguinalis

Question 7

What nerve comes from L3 and L4?

Answer 7

N. Genitofemoralis

Question 8

What nerve comes from L4?

Answer 8

N. Cutaneous Femoralis Lateralis

Question 9

What nerve comes off the N. Femoralis?

Answer 9

N. Saphenus, branches to m. sartorius

Question 10

Where do you locate the N. Obturatorius

Answer 10

M Adductor, perpendicular to M. Gracillis, foramen obturatorum.

Question 11

What 4 muscles are found in this area

Answer 11

M. psoas minor (shiny), M. psoas major & M. iliacus (M. Iliopsoas) and m. quadratus lumborum

Question 12

What are the 5 branches at the end of the aorta abdominalis?

Answer 12

External Iliac (x2, get pulse), Internal Iliac (x2) and sacralis mediana