Canine Pelvic Limb -> Innervation

Question 1

what vertebrae are associated with the lumbrosacral plexus?

Answer 1

L4-7
S1-2

Question 2

what muscles does the obturator nerve innervate?

Answer 2

external obturator m.
adductor muscles
pectineus m.
gracilis m.

Question 3

what muscles does the femoral nerve innervate?

Answer 3

iliopsoas m.
quadriceps femoris m.
sartorius m. (cranial & caudal part)

Question 4

what nerve branches does the puedendal nerve innervate?

Answer 4

caudal rectal n. (external anal sphincter)
perineal nerves (skin of anus & perineum)
dorsal nerve of clitoris/penis

Question 5

what three nerves make up the lumbrosacral trunk?

Answer 5

caudal gluteal n.
cranial gluteal n.
sciatic n.

Question 6

what muscles does the cranial gluteal nerve innervate?

Answer 6

middle gluteal m.
deep gluteal m.
tensor fascia latae m.

Question 7

what do the small branches of the sciatic nerve innervate?

Answer 7

internal obturator m.
gemelli m.
quadratus femoris m.

Question 8

what do the branches of the sciatic nerve going to the femur innervate?

Answer 8

biceps femoris m.
semitendinosus m.
semimembranosus m.

Question 9

what does the sciatic nerve branch & terminate into?

Answer 9

common fibular n.
tibial n.

Question 10

what are the two branches of the common fibular/peroneal nerve?

Answer 10

superficial peroneal n.
deep fibuperonealar n.

Question 11

what muscle does the common fibular nerve innervate?

Answer 11

peroneus longus m.

Question 12

what muscles does the superficial peroneal nerve innverate?

Answer 12

lateral digital extensor m.
peroneus brevis m.
cranial branch of saphenous a. (follows it)

Question 13

what muscles does the deep peroneal nerve innervate?

Answer 13

cranial tibial m.
long digital extensor m.
ext hallucis longus m.
ext digitorium brevis m.