Gluteal Region and Hip

Question 1

Features of the innominate bone (medial view)

Answer 1

Question 2

Features of the innominate bone (lateral view)

Answer 2

Question 3

What forms the greater sciatic foramen?

Answer 3

• Greater sciatic notch
• Sacrotuberous ligament
• Sacrospinous ligament

Question 4

What forms the lesser sciatic foramen?

Answer 4

• Lesser sciatic notch
• Sacrospinous ligament
• Sacrotuberous ligament

Question 5

What is this muscle?

Answer 5

Gluteus maximus

Question 6

What is the origin of the gluteus maximus?

Answer 6

• Sacrum
• Sacrotuberous ligament
• Ilium behind posterior gluteal line

Question 7

What is the insertion of the gluteus maximus?

Answer 7

• Iliotibial tract (3/4)
• Gluteal tuberosity of femur (1/4)

Question 8

What innervates the gluteus maximus?

Answer 8

Inferior gluteal nerve (L5 - S1,2)

Question 9

What is the function of the gluteus maximus?

Answer 9

• Extend hip
• Assist lateral rotation

Question 10

What is this muscle?

Answer 10

Tensor fasciae latae

Question 11

What is the origin of the tensor fasciae latae?

Answer 11

• Anterior iliac crest
• Anterior superior iliac spine

Question 12

What is the insertion of the tensor fasciae latae?

Answer 12

Iliotibial tract

Question 13

What is the innervation of the tensor fasciae latae?

Answer 13

Superior gluteal nerve (L4,5 - S1)

Question 14

What is this muscle?

Answer 14

Gluteus medius

Question 15

What is the origin of the gluteus medius?

Answer 15

Ilium between posterior and anterior gluteal line

Question 16

What is the insertion of the gluteus medius?

Answer 16

Greater trochanter of femur (lateral surface)

Question 17

What is the innervation of the gluteus medius?

Answer 17

Superior gluteal nerve (L4,5 S1)

Question 18

What is the function of the gluteus medius?

Answer 18

Abducts and medially rotates hip

Question 19

What is this muscle?

Answer 19

Gluteus minimus

Question 20

What is the origin of the gluteus minimus?

Answer 20

Ilium between anterior and inferior gluteal lines

Question 21

What is the insertion of the gluteus minimus?

Answer 21

Greater trochanter of femur (anterior surface)

Question 22

What innervates the gluteus minimus?

Answer 22

Superior gluteal nerves (L4,5 S1)

Question 23

What is the function of the gluteus medius?

Answer 23

Abducts and medially rotates hip

Question 24

What is this muscle?

Answer 24

Piriformis

Question 25

What is the origin of the piriformis?

Answer 25

- Anterior sacrum - Sacrotuberous ligament

Question 26

What is the insertion of the piriformis?

Answer 26

Greater trochanter of femur (superior border)

Question 27

What is the innervation of the piriformis?

Answer 27

Anterior rami S1,2

Question 28

What is the function of the piriformis?

Answer 28

Laterally rotates hip

Question 29

What is this muscle?

Answer 29

Obturator internus

Question 30

What is the origin of the obturator internus?

Answer 30

Pelvic surface of obturator membrane and surrounding bones

Question 31

What is the insertion of the obturator internus?

Answer 31

Medial side of the greater trochanter

Question 32

What is the innervation of the obturator internus?

Answer 32

Nerve to obturator internus (L5,S1)

Question 33

What is the function of the obturator internus?

Answer 33

Lateral rotation of hip

Question 34

What are these muscles?

Answer 34

- Superior gemelli - Inferior gemelli

Question 35

What is the origin of the superior and inferior gemelli?

Answer 35

Superior - Ischial spine Inferior - Ischial tuberosity

Question 36

What is the insertion of the superior and inferior gemelli?

Answer 36

Blend with tendon of obturator internus

Question 37

What is the innervation of the superior and inferior gemelli?

Answer 37

Superior - Nerve to obturator internus Inferior - Nerve to quadratus femoris

Question 38

What is the function of the superior and inferior gemelli?

Answer 38

Lateral rotation of hip

Question 39

What is this muscle?

Answer 39

Quadratus femoris

Question 40

What is the origin of the quadratus femoris?

Answer 40

Ischial tuberosity

Question 41

What is the insertion of the quadratus femoris?

Answer 41

Quadrate tubercle on intertrochanteric crest of femur

Question 42

What innervates the quadratus femoris?

Answer 42

Nerve to quadratus femoris (L5,S1)

Question 43

What is the function of the quadratus femoris?

Answer 43

Lateral rotation of hips

Question 44

What is this muscle?

Answer 44

Obturator internus

Question 45

What is the origin of the obturator externus?

Answer 45

Outer surface of obturator membrane

Question 46

What is the insertion of the obturator externus?

Answer 46

Trochanteric fossa

Question 47

What innervates the obturator externus?

Answer 47

Obturator nerve L3,4

Question 48

What is the function of the obturator externus?

Answer 48

Lateral rotation of hip

Question 49

What are the nerve roots of the sciatic nerve?

Answer 49

L4,5 S1-3

Question 50

What does the sciatic nerve branch into?

Answer 50

- Tibial nerve - Common peroneal nerve

Question 51

Where does the iliofemoral ligament attach?

Answer 51

AIIS --> Intertrochanteric line

Question 52

What movements does the iliofemoral ligament limit?

Answer 52

- Extension - Lateral rotation - Adduction - Abduction

Question 53

Where does the pubofemoral ligament attach?

Answer 53

Iliopubic eminence --> Lower part of intertrochanteric line

Question 54

What movements does the pubofemoral ligament limit?

Answer 54

- Extension - Lateral rotation - Abduction

Question 55

Where does the ischiofemoral ligament attach?

Answer 55

Posterior aspect of acetabulum --> greater trochanter

Question 56

What movements does the ischiofemoral ligament limit?

Answer 56

- Extension - Medial rotation - Adduction