Deep gluteal muscles

Question 1

Origin of piriformis

Answer 1

Anterior surface of sacrum

Question 2

Attachment of piriformis

Answer 2

Travels through greater sciatic foramen and inserts into greater trochanter

Question 3

Action of piriformis

Answer 3

Lateral rotation and abduction

Question 4

Innervation of piriformis

Answer 4

Nerve to piriformis

Question 5

What muscles make up the triceps coxae

Answer 5

Obturator internus,

Superior and inferior gemelli muscles

Question 6

Origin of obturator internus

Answer 6

Pubis and ischium at obturator foramen

Question 7

Attachment of obturator internus

Answer 7

Travels through the lesser sciatic foramen and attaches to greater trochanter

Question 8

Action of obturator internus

Answer 8

Lateral rotation and abduction

Question 9

Innervation of obturator internus

Answer 9

Nerve to obturator internus

Question 10

What separates the gemelli muscles

Answer 10

Obturator internus tendon

Question 11

Origin of superior gemelli muscle

Answer 11

Ischial spine

Question 12

Origin of inferior gemelli muscle

Answer 12

Ischial tuberosity

Question 13

Attachment of gemelli muscles

Answer 13

Greater trochanter

Question 14

Actions of gemelli muscles

Answer 14

Lateral rotation and abduction

Question 15

Innervation of superior gemelli muscle

Answer 15

Nerve to obturator internus

Question 16

Innervation of inferior gemelli muscle

Answer 16

Nerve to quadratus femoris

Question 17

Origin of quadratus femoris

Answer 17

Lateral side of the ischial tuberosity

Question 18

Attachment of quadratus femoris

Answer 18

Quadrate tuberosity on intertrochanteric crest

Question 19

Action of quadratus femoris

Answer 19

Lateral rotation

Question 20

Innervation of quadratus femoris

Answer 20

Nerve to quadratus femoris

Question 21

Muscles of deep gluteal region

Answer 21

Pisiformis,
obturator internus,
superior and inferior gemelli,
Quadratus femoris