Gluteal Region

Question 1

Greater Sciatic Foramen

forming structures and what exits

Answer 1

Formed by Greater Sciatic Notch and Sacrotuberous L.

Gluteal neurovascular bundles
Piriformis M
Sciatic N
Posterior Femoral Cutaneous N
Pudendal/Internal Pudendal A
Obturator Internus/Superior Gemellus N

Question 2

Lesser Sciatic Foramen

forming structures and what enters/exits

Answer 2

Sacrospinous L and Sacrotuberous L

Pudendal N. (enters)
Internal Pudendal A (enters)
Obturator Internus/Superior Gemellus N (enters)
Obturator Internus M (exits)

Question 3

Cluneal Nerves

Answer 3

Cutaneous innervation of butt

Superior Cluneal N. (S1-S3 dorsal rami)
Middle Cluneal N. (S1-S3 dorsal rami)
Inferior Cluneal N. (S1-S3 ventral rami)

Question 4

Superior Gluteal Nerve

Answer 4

L4-S1 roots

Innervates Gluteus Medius, Gluteus Minimus and Tensor Fascia Lata Ms.

Question 5

Inferior Gluteal Nerve

Answer 5

L5-S2 roots

Innervates Gluteus Maximus

Question 6

Gluteus Maximus Muscle

Answer 6

Extends thigh and Flexes leg (with TFL)

Inferior Gluteal N.

Superficial branch of Superior Gluteal A.
Inferior Gluteal A.

Question 7

Gluteus Medius Muscle

Answer 7

Abducts and medially rotates thigh

Superior Gluteal N.

Deep branch of Superior Gluteal A.

Question 8

Gluteus Minimus Muscle

Answer 8

Abducts and medially rotates thigh

Superior Gluteal N.

Deep branch of Superior Gluteal A.

Question 9

Tensor Fascia Lata Muscle

Answer 9

Flexes, medially rotates and abducts thigh
Also extends leg (with Gluteus Maximus)

Superior Gluteal N.

Deep branch of the Superior Gluteal A.

Question 10

Piriformis Muscle

Answer 10

Laterally rotates thigh

Nerve to Piriformis

Superior and Inferior Gluteal As.*

Question 11

Obturator Internus Muscle

Answer 11

Laterally rotates thigh

Nerve to Obturator Internus and Superior Gemellus

Inferior Gluteal A.

Question 12

Superior Gemellus Muscle

Answer 12

Laterally rotates thigh

Nerve to Superior Gemellus and Obturator Internus

Inferior Gluteal A.

Question 13

Inferior Gemellus Muscle

Answer 13

Laterally rotates thigh

Nerve to Inferior Gemellus and Quadratus Femoris

Inferior Gluteal A.

Question 14

Quadratus Femoris Muscle

Answer 14

Laterally rotates thigh

Nerve to Quadratus Femoris and Inferior Gemellus

Inferior Gluteal A.

Question 15

Internal Iliac Artery Branches

Answer 15

Superior Gluteal A.
Superficial and Deep branches
Inferior Gluteal A.
Internal Pudendal A.

Question 16

Cruciate Anastomosis Arteries

Answer 16

Transverse Branch of Medial Circumflex Femoral A.

Terminal Transverse Branch of Lateral Circumflex Femoral A.

First Perforating A.

Inferior Gluteal A.

Question 17

Internal Pudendal Artery

Answer 17

Supplies perineal muscles and external genitalia

Question 18

Duchenne’s Limp

Positive Trendelenburg’s Sign

Answer 18

Superior Gluteal N. Injury

Causes hip drop and ispilateral side leaning
Both sides affected=waddling gait

Question 19

Trochanteric Bursa

Answer 19

Between the IT band and Greater Trochanter of Femur