gluteal region

Question 1

Gluteus Maximus attachment

Answer 1

• Broad origin
• Posterior to posterior gluteal line of ilium
• Dorsal surface of sacrum and coccyx
  Sacrotuberous ligament

Question 2

Gluteus Maximus insertion

Answer 2

• Iliotibial tract
• Gluteal tuberosity

Question 3

Gluteus Maximus
action

Answer 3

• Extend thigh (especially from fixed position)
• Assists in rising from sitting position
  Assists in lateral rotation

Question 4

Gluteus Maximus
innervation

Answer 4

• Inferior gluteal nerve

Question 5

Gluteus Medius
attachment

Answer 5

• Broad area of the external surface of ilium between anterior and posterior gluteal lines

Question 6

Gluteus Medius
insertion

Answer 6

• Lateral surface of the greater trochanter of femur

Question 7

Gluteus Medius
action

Answer 7

• Abduction and medial rotation
  Keeps pelvis level when opposite leg is raised

Question 8

Gluteus Medius
innervation

Answer 8

• Superior gluteal nerve

Question 9

Gluteus Minimus
attachment

Answer 9

• Broad area of the external surface of ilium between anterior and posterior gluteal lines

Question 10

Gluteus Minimus
insertion

Answer 10

• Anterior surface of the greater trochanter of femur

Question 11

Gluteus Minimus
action

Answer 11

• Abduction and medial rotation
  Keeps pelvis level when opposite leg is raised

Question 12

Gluteus Minimus
innervation

Answer 12

• Superior gluteal nerve

Question 13

Piriformis attachment

Answer 13

• Anterior surface of sacrum

Question 14

Piriformis insertion

Answer 14

• Superior border of greater trochanter

Question 15

Piriformis action

Answer 15

• Lateral rotation of extended
  Abduction of flexed thigh at hip joint

Question 16

Piriformis innervation

Answer 16

• Branches from L5 S1 S2

Question 17

Obturator internus attachment

Answer 17

• Obturator membrane and surrounding bone

Question 18

Obturator internus insertion

Answer 18

• Medial surface of greater trochanter

Question 19

Obturator internus action

Answer 19

• Lateral rotation of extended thigh
  Abduction of flexed thigh at hip joint

Question 20

Obturator internus innervation

Answer 20

• Nerve to obturator internus

Question 21

Gemellus superior
attachment

Answer 21

• Ischial spine

Question 22

Gemellus superior
insertion

Answer 22

• Medial surface of greater trochanter

Question 23

Gemellus superior
action

Answer 23

• Lateral rotation of extended thigh
  Abduction of flexed thigh at hip joint

Question 24

Gemellus superior
innervation

Answer 24

• Nerve to obturator internus

Question 24

Gemellus inferior attachment

Answer 24

- Superior aspect of ischial tuberosity

Question 25

Gemellus inferior action

Answer 25

- Lateral rotation of extended thigh Abduction of flexed thigh at hip joint

Question 26

Gemellus inferior insertion

Answer 26

- Medial surface of greater trochanter

Question 27

Gemellus inferior innervation

Answer 27

- Nerve to quadratus femoris

Question 28

Quadratus femoris attachment

Answer 28

- Lateral aspect of ischial tuberosity

Question 29

Quadratus femoris insertion

Answer 29

- Quadrate tubercle on intertrochanteric crest

Question 30

Quadratus femoris action

Answer 30

- Lateral rotation of extended thigh

Question 31

Quadratus femoris innervation

Answer 31

- Nerve to quadratus femoris