Gluteal Region

Question 1

List the superficial muscles of the gluteal region (4)

Answer 1

Gluteus (maximus, medius, minimus), tensor fascia latae

Question 2

List the deep muscles of the gluteal region (4)

Answer 2

Piriformis, obturator internus, gemelli (superior and inferior), quadratus femoris

Question 3

The gluteus maximus is innervated by…

Answer 3

Inferior gluteal nerve (L5, S1, S2)

Question 4

Gluteus medius, minimus and tensor fasciae latae are innervated by…

Answer 4

Superior gluteal nerve (L4, S5, S1)

Question 5

Piriformis muscle is innervated by…

Answer 5

Anterior rami of S1/S2.

Question 6

Gluteus maximus main actions (3)

Answer 6

-Extends hip joint -Assists in lateral rotation of hip joint -Steadies thigh in place when raising contralateral lower limb

Question 7

Gluteus medius and minimus main actions (2)

Answer 7

-Abduct and medially rotate hip joint

Question 8

Action of tensor fascia latae

Answer 8

Flexes hip joint

Question 9

Action of piriformis, obturator internus and gemelli muscles (2)

Answer 9

-Laterally rotate hip -Abduct hip joint

Question 10

Does the pudendal nerve supply any structures of the gluteal region? Which structures if so?

Answer 10

No, none.

Question 11

Pudendal nerve exits through which foramen

Answer 11

Lesser sciatic foramen

Question 12

All innveration to the gluteal region passes through which foramen

Answer 12

Greater sciatic

Question 13

The superior gluteal nerve emerges superior/inferior to the piriformis?

Answer 13

Superior (all others inferior)

Question 14

Blood supply to the sciatic artery is supplied from which vessel?

Answer 14

Artery to the sciatic nerve

Question 15

Which ligaments make up the greater & lesser sciatic foramens?

Answer 15

Sacrotuberous & sacrospinus

Question 16

List the structures

Answer 16

A = Tensor fascia latae

B = Gluteus maximus

C = Piriformis

D = Gemelli (superior and inferior)

E = Gluteus medius

F = Quadrate femoris

G = Obturator internus

Question 17

The superficial muscle group of the gluteal region has what functions on the lower limb (3)

Answer 17

Extensors, abductors and medial rotators of the thigh

Question 18

The deep muscles of the gluteal region (piriformis, obturator internus, gemelli and quadratus femoris) are innervated by

Answer 18

The nerves from the sacral plexus

Question 19

Label the shown structures

Answer 19

A = Greater sciatic foramen

B = Lesser sciatic foramen

C = Sacrotuberous ligament

D = Sacrospinous ligament

Question 21

Pudendal nerve emerges between which vertebral levels?

Answer 21

S2-S4

Question 22

Sciatic nerve emerges between which vertebral levels?

Answer 22

L4-S3

Question 23

The skin over the posterior thigh is innervated by which nerve

Answer 23

Posterior cutaneous nerve of thigh

Question 24

The sciatic nerve usually exits superior/ inferior to piriformis?

Answer 24

Inferior

Question 25

The sciatic nerve supplies the gluteal region, T/F?

Answer 25

False - supplies nothing in the gluteal region

Question 26

Where does the sciatic nerve seperate?

Answer 26

Distal thigh (in around 12% it will seperate in the pelvis)

Question 27

Which nerve is more medial - the tibial or common fibular nerve?

Answer 27

Tibial (larger too)

Question 28

Label the structures

Answer 28

A = sciatic

B = Tibial

C = Common fibular

Question 29

Contents of femoral triangle (from lateral to medial) are:

Answer 29

Femoral Nerve, Femoral Artery, Femoral Vein, Lymphaitcs

(NAVLY)

Question 30

The lateral border of the femoral triangle is

Answer 30

Sartorius