Gluteal Region

Question 1

What three bones comprise the os coxae

Answer 1

Ilium (superior)
Ischium(posterior)
Pubis (anterior)

Question 2

What ligament forms the greater sciatic foramen

Answer 2

The sacrospinous L.

Question 3

Where does the sacrospinous L attach

Answer 3

From the sacrum to the ischial spine

Question 4

What forms the lesser sciatic foramen

Answer 4

The sacrotuberous L

Question 5

Where does the sacrituberous L. Attach to

Answer 5

From the sacrum to the ischial tuberosity

Question 6

What structures exit the greater sciatic foramen

PIN + PSG

Answer 6

Gluteal neurovascular bundles

Sciatic N.

Post. Fem. cutaneous N.

Prudendal N.

Internal Prudendal A.

N to oberator internus/superior gemellus

Question 7

What structures enter the lesser sciatic foramen

Answer 7

Prudental N.

Internal Prudental A.

N. To obterator internus/superior gemellus M.’s

Question 8

What exits the lesser sciatic foramen

Answer 8

The obturator internus m.

Question 9

In general, the cluneal N. Innervates what

Answer 9

Cutaneous regions of gluteus

Question 10

The superior and middle branches of the cluneal N. Are supplied by what

Answer 10

Dorsal rami

Question 11

The inferior branches of the cluneal N. Are innervated by what

Answer 11

Ventral rami

Question 12

All of the nerves in the sacral plexus are what type of nerves

Answer 12

Motor

Question 13

What are the two divisions of the sacral plexus

Answer 13

Anterior and posterior divisions

Question 14

What C nerves supplies the superior gluteal N.

Answer 14

Posterior division of SP

L4 - S1

Question 15

What trunk nerve supplies Inferior Gluteal N.

Answer 15

Posterior division of SP

L5 - S2

Question 16

What trunk nerve supplies the sciatic N.

Answer 16

Posterior and anterior divisions of the SP

L4 - S3

Question 17

What does the sciatic N. Branch into and What trunk nerve supplies each

Answer 17

1. Common fibular N. (L4 - S2)

2. Tibial N. (L4 - S3)

Question 18

What trunk nerve supplies the posterior femoral cutaneous N.

Answer 18

Posterior and anterior divisions of SP

S1 - S3

Question 19

Where do the superior gluteal N. And A. Leave the pelvis

Answer 19

Above the piriformis M.

Question 20

Where does the inferior gluteal N. Leave the pelvis

Answer 20

Inferior to the piriformis M.

Question 21

What does the superior gluteal N. Supply

Answer 21

Gluteus medius, gluteus minimus, and tensor fasciae latae

Question 22

What does the inferior gluteal N. Supply

Answer 22

The gluteus maximus

Question 23

Does the sciatic N. Supply anything in the gluteal region

Answer 23

NO

Question 24

What N. Supplies more skin than any other N.

Answer 24

Posterior femoral cutaneous N.

Question 25

What part of the leg does the posterior femoral cutaneous N. Supply

Answer 25

The superior posterior leg

Question 26

Define the course of the pundendal N.

Answer 26

Exits greater sciatic foramen under the piriformis and reenteres lesser sciatic foramen

Question 27

What does the superficial branch of the superior gluteal artery supply

Answer 27

Gluteus maximus

Question 28

What does the deep branch of the superficial gluteal A. Supply

Answer 28

The gluteus medius, gluteus minimus, and tensor fascia lata

Question 29

What does the inferior gluteal A. Supply

Answer 29

The gluteus maximus, small lateral rotators, and the superior hamstrings

Question 30

What arteries participate in cruciate anastomosis LIMP

Answer 30

Inferior gluteal A. Medial femoral circumflex A. Lateral femoral circumflex A. Perforating A.’s

Question 31

The internal pudental A. Follows what structure

Answer 31

The pudental N.

Question 32

What does the pudental A. supply

Answer 32

Pernial muscles and genitalia NO GLUTEAL STRUCTURES

Question 33

What are the connecting points for the IT Band

Answer 33

The iliac tubercle to Gerdy’s Tubercle on lateral tibial condyle

Question 34

What are the functions of the IT Band

Answer 34

Assist in decelerating adduction of the thigh Laterally stabilize knee [pulls patella laterally, is the antagonist of vastus medialis and synergist with vastus lateralis

Question 35

Stretching of the It Band treats what

Answer 35

Chondromalacia patella

Question 36

Define trochanteric bursitis

Answer 36

Inflammation of the trochanteric bursa which results from repetitive actions such as climbing stairs while carrying heavy objects

Question 37

How does trochanteric bursitis occur

Answer 37

The superior tendons fibers of the gluteus maximus move back and forth over the over the bursae of the greater trochanter

Question 38

How does trochanteric bursitits present

Answer 38

Deep, diffuse pain in the lateral thigh region as well as point tenderness over the greater trochanter of the femur

Question 39

Define ischial bursitis

Answer 39

Results from repeated microtrauma which overwhelms the ability of the ischial bursa to dissipate applied stress Causes excessive frition between the ischial bursa and the ischial tuberosity

Question 40

How does ischial bursitis present

Answer 40

Localized pain occurs over the bursa which increases with movement of the gluteus maximus Can lead to pressure sores in bedridden people

Question 41

Define hamsrtring strains

Answer 41

Common in individuals who run and kick hard Due to violent muscle exertion which may avulse part of the proximal tendinous attachments of the hamstring and ischial tuberosity

Question 42

Define duchenne’s limp

Answer 42

Due to an injury to the superior gluteal N. Causes weakened abduction of the thigh by the gluteal medius and minimus Medial rotation is also very impaired

Question 43

How does duchenne’s limp present

Answer 43

The patient has a limp that causes the affected side to be lower than the other and the foot to not clear the floor during the gait cycle

Question 44

What is a positive tendelenburg’s sign

Answer 44

Shows that the superior gluteal nerve is injured When patient stands on one foot, the affected side drops down and patient;s muscles try to compensate for this

Question 45

Define piriformis syndrome

Answer 45

A compression of the sciatic N. Due to trauma of the buttocks and or hypertophy of the piriformis M. Very common in a patient who has the common fibular div. of the sciatic nerve pass through the piriformis M.

Question 46

Define complete section of the sciatic N.

Answer 46

The leg become useless because extension of the hip is impaired and all ankle/foot movements are lost

Question 47

Define incomplete section of the sciatic N.

Answer 47

Results from a stab wound