Sacral Plexus

Question 1

vertebral levels of the sacral plexus

Answer 1

L4 - Coccygeal

Question 2

L4, L5, S1 nerve of Sacral Plexus

Answer 2

Superior Gluteal Nerved

Question 3

Motor innervation of Superior Gluteal Nerve

Answer 3

Gluteus Medius and Gluteus Minimis

Question 4

L5, S1, S2 nerve of Sacral Plexus

Answer 4

Inferior Gluteal Nerved

Question 5

Motor innervation of Inferior Gluteal Nerve

Answer 5

Gluteus Maximus

Question 6

What nerve innervates the ventral division of Spinal nerves from L5, S1,S2?

Answer 6

Obturator Internus Nerve

Question 7

Motor innervation of Obturator Internus Nerve?

Answer 7

the deep external rotator mm of the hip; Superior Gemellus and Obturator Internus

Question 8

S1, S2, S3 nerve of sacral plexus

Answer 8

Posterior Cutaneous Nerve

Question 9

Cutaneous innervation of Posterior Cutaneous N

Answer 9

posterior inferior buttocks
posterior knee/ Popliteal region
skin of calf
heel joint

Question 10

the sciatic nerve roots

Answer 10

L4, L5, S1, S2, S3