Muscles of gluteal region

Question 0

Insertion of gluteus Maximus

Answer 0

Most fibers end in the illiotibial tract, which inserts into lateral condyle of tibia, some fibers insert on the gluteal tuberous it’s of femur

Question 1

Origin of gluteus Maximus?

Answer 1

Ilium posterior to posterior gluteal line, dorsal surface of sacrum and coccyx, and sacrotuberous ligament

Question 2

Innervation of gluteus Maximus

Answer 2

Inferior gluteal nerve L5,S1,S2

Question 3

Action of gluteus Maximus

Answer 3

Extend hip joint between flexed and standing positions and assists in lateral rotation

Question 4

Origin of gluteus medius

Answer 4

External surface of ilium between anterior and posterior gluteal lines

Question 5

Insertion of gluteus medius

Answer 5

Lateral surface of greater trochanter of femur

Question 6

Innervation of gluteus medius

Answer 6

Superior gluteal nerve L4,L5,S1

Question 7

Action of gluteus medius

Answer 7

Abduct and anterior portions medially rotates the hip joint, keep pelvis level while opposite limb is elevated

Question 8

Origin of gluteus minimus

Answer 8

External surface of ilium between anterior and inferior gluteal lines

Question 9

Insertion of gluteus minimus

Answer 9

Anterior surface of greater trochanter of femur

Question 10

Innervation of gluteus minimus

Answer 10

Inferior gluteal nerve L4,L5,S1

Question 11

Action of gluteus minimus

Answer 11

Abduct and anterior portions medially rotates the hip joint, keep pelvis level while opposite limb is elevated

Question 12

Origin of tensor fasciae latae

Answer 12

ASIS, anterior part of illiac crest

Question 13

Insertion of tensor fasciae latae

Answer 13

Illiotibial tract which attaches to lateral condyle of tibia

Question 14

Innervation of tensor fasciae latae

Answer 14

Superior gluteal nerve L4,L5,S1

Question 15

Action of tensor fasciae latae

Answer 15

Flexes hip joint, acts with gluteus Maximus to stabilize the extended the knee joint

Question 16

Origin of piriformis

Answer 16

Anterior surface of 2nd to 4th sacral segments, superior margin of greater sciatic notch and sacrotuberous ligament

Question 17

Insertion of piriformis

Answer 17

Superior border of greater trochanter of femur

Question 18

Innervation of piriformis

Answer 18

Branches of anterior rami of S1S2

Question 19

Action of piriformis

Answer 19

Laterally rotate extended hip joint, abduct the flexed hip joint, steady the head of femur into acetabulum

Question 20

Origin of obturator internus

Answer 20

Pevic surface of ilium and ishium and obturator membrane

Question 21

Insertion of obturator internus

Answer 21

Medial surface of greater trochanter of femur

Question 22

Innveration of obturator internus

Answer 22

Nerve to obturator internus L5,S1

Question 23

Action of obturator internus

Answer 23

Laterally rotate extended hip joint, abduct the flexed hip joint, steady head of femur into acetabulum

Question 24

Gemelli origin

Answer 24

Superior:Ischial spine
Inferior: ischial tuberosity

Question 25

Gemelli insertion

Answer 25

Medial surface of greater trochanter of femur

Question 26

Gemelli innervation

Answer 26

Superior: nerve to obturator internus L5,S1
Inferior: nerve to quadratus femoris L5,S1

Question 27

Action of gemelli

Answer 27

Laterally rotate the extended hip joint, abduct the flexed hip joint and steady head of femur into acetabulum

Question 28

Origin of quadratus femoris

Answer 28

Lateral border of ischial tuberosity

Question 29

Insertion of quadratus femoris

Answer 29

Quadrate tubercle on intertrochanteric crest of femur and area inferior to it

Question 30

Innervation of quadratus femoris

Answer 30

Nerve to quadratus femoris L5,S1

Question 31

Action of quadratus femoris

Answer 31

Laterally rotate hip joint, pulls femoral head into acetabulum to stabilize the hip joint, pelvis