Module 2: The Sacral Plexus

Question 1

Label

Answer 1

Question 2

Label

Answer 2

Question 3

Label

Answer 3

Question 4

Answer 4

Question 5

Label mention the location

Answer 5

Question 6

Label andidentify motor supply

Answer 6

Question 7

Label

Answer 7

Question 8

Label

Answer 8

Question 9

Label and identify motor supply

Answer 9

Question 10

List the divisons and locations of the sciatic nerve

Answer 10

Question 11

Where is the sciatic nerve located and what does it supply?

Answer 11

Question 12

Where does the sciatic nerve separate into and where?

Answer 12

Question 13

Where does the tibial nerve run

Answer 13

Question 14

Where does the tibial nerve split and what does it supply?

Answer 14

Question 15

What does the common perenal nerve split into

Answer 15

Question 16

What does the deep peroneal nerve supply?

Answer 16

Question 17

What does the superficial peroneal nerve supply?

Answer 17

Question 18

The sciatic nerve has both a cutaneous and motor supply, what is in each?

Answer 18

Question 19

Label

Answer 19

Question 20

Label

Answer 20

Question 21

List the Posterior Cutaneous Nerve of Thigh motor supply and identify its cutaneous supply regions

Answer 21

Question 22

Label

Answer 22

Question 23

List the pudendal nerves motor and cutaneous supply

Answer 23

Question 24

Label

Answer 24

Question 25

Label

Answer 25

Question 26

Label and identify intervertebral notch

Answer 26

Question 27

What is the motor supply of the quadratus femoris

Answer 27

Question 28

Name the motor supply to the obturator internus

Answer 28

Question 29

The sacral plexus forms on the [?] aspect of the piriformis muscle from the ventral rami of spinal nerves [?] to [?].

Answer 29

anterior (ventral) aspect L4 to S4.

Question 30

The main branches of the sacral plexus are the [?] 8

Answer 30

superior gluteal nerve, the inferior gluteal nerve, the sciatic nerve, the pudendal nerve, the posterior cutaneous nerve of the thigh and nerves to piriformis, obturator internus and quadratus femoris

Question 31

All nerves, except the nerve to {?}, exit the pelvis and into the gluteal region through the [?]

Answer 31

piriformis greater sciatic foreman

Question 32

What is the inferior gluteal nerve formed by and what does it supply?

Answer 32

The inferior gluteal nerve is formed by the anterior (ventral) rami of L5 to S2 and supplies the gluteus maximus muscle.

Question 33

Where does the massive sciatic nerve arise from, what does it supply and what does it branch into (4)

Answer 33

The massive sciatic nerve arises from the anterior (ventral) rami of L4 to S3 and supplies the hamstrings. It then divides into the tibial and common peroneal nerves which supply the leg and foot

Question 34

There are a number of branches to the deep muscles of the gluteal region namely the nerves to...

Answer 34

piriformis, obturator internus and quadratus femoris.