Gluteal Region

Question 1

Cluneal nerves supply what?

Answer 1

Skin of gluteal region

Question 2

Origin and insertion of gluteus Maximus?

Answer 2

Origin: outer surface ilium and iliac crest, dorsal surface of sacrum and lateral aspect of coccyx and sacrotuberous ligament
Insertion: IT tract and gluteal tuberosity of femur

Question 3

What innervates gluteus Maximus?

Answer 3

Inferior gluteal nerve

Question 4

What does gluteus Maximus do?

Answer 4

Extends thigh and laterally rotates

Question 5

Glute med origin and insertion?

Answer 5

Origin: between anterior and posterior gluteal lines
Insertion: lateral aspect of greater trochanter of femur

Question 6

What innervates glute med?

Answer 6

Superior gluteal nerve

Question 7

What action does glute med perform?

Answer 7

Abduction and medial rotation

Question 8

Where does glute min originate and insert?

Answer 8

Origin: between anterior and inferior gluteal lines
Insertion: anterior aspect of greater trochanter and joint capsule of hip

Question 9

What innervates glute min?

Answer 9

Superior gluteal nerve

Question 10

What actions does glute min perform?

Answer 10

Abduction and medial rotation

Question 11

Tensor fascia lata origin and insertion?

Answer 11

Origin: anterior superior iliac spine and anterior iliac crest
Insertion:IT tract

Question 12

What innervates tensor fascia lata?

Answer 12

Superior gluteal nerve

Question 13

What does tensor fascia lata do?

Answer 13

Tenses the IT tract thereby stabilizing thigh on leg.
Thigh abduction.

Question 14

Piriformis origin and insertion?

Answer 14

Origin: ventrolateral aspect of sacrum
Insertion: greater trochanter

Question 15

What does piriformis do?

Answer 15

Laterally rotates an extended thigh.
Abducts a flexed thigh.

Question 16

Superior gemellus origin and insertion?

Answer 16

Origin: outer surface of ischial spine
Insertion: medial surface of greater trochanter

Question 17

What innervates superior gemellus?

Answer 17

Nerve to obturator internus

Question 18

What does superior gemellus do?

Answer 18

Laterally rotates an extended thigh.
Abducts a flexed thigh.
Stabilizes hip joint.

Question 19

Obturator internus origin and insertion?

Answer 19

Origin: inner surface of obturator membrane and obturator foramen
Insertion: medial surface of greater trochanter

Question 20

What innervates obturator internus?

Answer 20

Nerve to obturator internus

Question 21

What does obturator internus do?

Answer 21

Laterally rotates an extended thigh.
Abducts a flexed thigh.
Stabilizes hip joint.

Question 22

Inferior gemellus origin and insertion?

Answer 22

Origin: ishchial tuberosity
Insertion: medial surface of greater trochanter

Question 23

Innervation of inferior gemellus?

Answer 23

Nerve to quadratus femoris

Question 24

What does inferior gemellus do?

Answer 24

Stabilizes hip joint.
Laterally rotates an extended thigh.
Abducts a flexed thigh.

Question 25

Quadratus femoris origin and insertion?

Answer 25

Origin: lateral border of ischial tuberosity
Insertion: quadrate tubercle and intertrochanteric crest

Question 26

What innervates quadratus femoris?

Answer 26

Nerve to quadratus femoris

Question 27

What does quadratus femoris do?

Answer 27

Lateral rotation and stabilization of hip joint.