Sacral Plexus

Question 1

What nerve roots contribute to the sacral plexus?

Answer 1

L4
L5
S1
S2
S3
S4

Question 2

Peripheral nerves formed from the sacral plexus

Answer 2

Superior gluteal nerve
Inferior gluteal nerve
Sciatic nerve
Posterior femoral/posterior cutaneous nerve of the thigh
Pudendal nerve

Question 3

Nerve roots of the superior gluteal nerve

Answer 3

L4, 5, S1

Question 4

Nerve roots of the inferior gluteal nerve

Answer 4

L5, S1, 2

Question 5

Nerve roots of the sciatic nerve

Answer 5

L4, 5, S1, 2, 3

Question 6

Branches of the sciatic nerve and their nerve roots

Answer 6

Tibial nerve (L4, 5, S1, 2, 3)
Common fibular/peroneal nerve (L4, 5, S1, 2)

Question 7

Nerve roots of the posterior femoral/posterior cutaneous nerve of the thigh

Answer 7

S1-3

Question 8

Nerve roots of the pudendal nerve

Answer 8

S2, 3, 4