Muscles of gluteal region

Question 1

What are the superficial gluteal muscles?

Answer 1

Gluteus maximus, gluteus medius, gluteus minimus, tensor fasciae latae

Question 2

What are the deep gluteal muscles?

Answer 2

Piriformis, obturator internus, quadratus femoris, superior and inferior gemelli

Question 3

Gluteus maximus origin

Answer 3

Posterior gluteal surface
of ilium, sacrum and
coccyx

Question 4

Gluteus maximus insertion

Answer 4

Iliotibial tract and gluteal tuberosity on post. femur

Question 5

Gluteus maximus innervation

Answer 5

Inferior gluteal
nerve
(L5-S2)

Question 6

Gluteus maximus blood supply

Answer 6

inferior and superior gluteal artery
(branches of the internal iliac artery)

Question 7

Gluteus maximus function

Answer 7

Extension and lateral rotation of thigh at hip joint

Question 8

Gluteus medius origin

Answer 8

Gluteal surface of the
ilium

Question 9

Gluteus medius insertion

Answer 9

Lateral surface of the
greater trochanter

Question 10

Gluteus medius innervation

Answer 10

Superior gluteal
nerve
(L5-S1)

Question 11

Gluteus medius blood supply

Answer 11

Superior gluteal artery

Question 12

Gluteus medius function

Answer 12

Abducts and medially rotates
the lower limb. (prevents
pelvic drop of opposite limb)

Question 13

Gluteus minimus origin

Answer 13

ilium

Question 14

Gluteus minimus insertion

Answer 14

Forms a tendon
inserting into anterior
side of greater
trochanter.

Question 15

Gluteus minimus innervation

Answer 15

Superior gluteal
nerve (L5-S1)

Question 16

Gluteus minimus blood supply

Answer 16

Superior gluteal artery

Question 17

Gluteus minimus function

Answer 17

Abducts and medially rotates
the lower limb (prevents
pelvic drop of the opposite
limb)

Question 18

Tensor fasciae latae origin

Answer 18

ASIS

Question 19

Tensor fasciae latae insertion

Answer 19

Iliotibial tract, lateral
condyle of tibia.

Question 20

Tensor fasciae latae innervation

Answer 20

Superior gluteal
nerve (L5-S1)

Question 21

Tensor fasciae latae blood supply

Answer 21

Superior gluteal artery

Question 22

Tensor fasciae latae function

Answer 22

Assist gluteus medius and
minimus in abduction and
medial rotation of lower limb.

Question 23

Piriformis origin

Answer 23

Anterior surface of the
sacrum

Question 24

Piriformis insertion

Answer 24

Greater trochanter of
the femur

Question 25

Piriformis innervation

Answer 25

Anterior rami S1-S2

Question 26

Piriformis blood supply

Answer 26

internal pudendal artery and superior
and inferior gluteal artery

Question 27

Piriformis function

Answer 27

Lateral rotation and
abduction of thigh

Question 28

Obturator internus origin

Answer 28

Pubis and ischium at the
obturator foramen

Question 29

Obturator internus insertion

Answer 29

Greater trochanter of
the femur

Question 30

Obturator internus innervation

Answer 30

Nerve to obturator
internus (L5-S1)

Question 31

Obturator internus blood supply

Answer 31

internal pudendal and superior
gluteal artery

Question 32

Obturator internus function

Answer 32

Lateral rotation and
abduction of thigh

Question 33

Quadratus femoris Origin

Answer 33

Lateral side of ischial
tuberosity

Question 34

Quadratus femoris insertion

Answer 34

Quadrate tuberosity
on the
intertrochanteric crest

Question 35

Quadratus femoris innervation

Answer 35

Nerve to quadratus
femoris
(L5-S1)

Question 36

Quadratus femoris blood supply

Answer 36

medial femoral circumflex artery

Question 37

Quadratus femoris function

Answer 37

Lateral rotation

Question 38

Superior and inferior gemelli origin

Answer 38

Ischial spine – superior
Ischial tuberosity –
inferior

Question 39

Superior and inferior gemelli insertion

Answer 39

Greater trochanter

Question 40

Superior and inferior gemelli innervation

Answer 40

Superior – nerve to
obturator internus
Inferior – Nerve to
quadratus femoris

Question 41

Superior and inferior gemelli blood supply

Answer 41

superior- inferior gluteal artery
inferior- medial circumflex femoral artery

Question 42

Superior and inferior gemelli function

Answer 42

Lateral rotation and
abduction of thigh