Hip Muscles

Question 1

The anterior muscles of the hip are? (P.I.S)

Answer 1

Pectineus (lumped with these because it can also flex hip), Iliopsoas (major/minor/illacus) & sartorius

Question 2

Origin of Pectineus

Answer 2

On the front of the pubis just above the crest

Question 3

Insertion of Pectineus

Answer 3

Lesser trochanter down to Linea aspera

Question 4

Origin of illiacus

Answer 4

Inner surface of the illium

Question 5

Insertion of illiacus

Answer 5

Lesser trochanter of the femur + shaft just below

Question 6

Origin of psoas major

Answer 6

Sides of T-12 -> L5 vertebrae + transverse processes of L1-5

Question 7

Insertion of psoas major

Answer 7

Lesser trochanter of femur

Question 8

Origin of psoas minor

Answer 8

sides of T-12 -> L-1 vertebrae

Question 9

Insertion of psoas minor

Answer 9

Pectineal line via the iliopubic arch

Question 10

Origin of sartorius

Answer 10

ASIS

Question 11

Insertion of sartorius

Answer 11

Pes anserine (anterior medial aspect of the tibia)

Question 12

The medial muscles of the hip are? (G.M.L.B.P.)

Answer 12

Gracilis, adductor magus, adductor longus, adductor brevis, & pectineus

Question 13

Origin of gracilis

Answer 13

anteromedial edge of the descending ramus of pubis

Question 14

Insertion of gracilis

Answer 14

Pes anserine (anterior medial surface of the tibia)

Question 15

Origin of adductor magnus

Answer 15

edge of entire pubic ramus + ischium + ischial tuberosity

Question 16

Insertion of adductor magnus

Answer 16

Whole length of linea aspera, medial condyloid ridge + adductor tubercule

Question 17

Origin of adductor brevis

Answer 17

Front of inferior pubic arch right below the O of adductor longus

Question 17

Origin of adductor longus

Answer 17

Anterior pubis just below the crest

Question 18

Insertion of adductor longus

Answer 18

Middle 1/3 of linea aspera

Question 19

Insertion of adductor brevis

Answer 19

Lower 2/3 of the pectineal line of the femur + upper half of medial lip of the linea aspera

Question 20

The posterior muscles of the hip are?

Answer 20

Superficial: glute max & TFL; Deep: glute med, glute min, P-GO-GO-Q

Question 21

Origin of glute max

Answer 21

Post. 1/4 of the crest of ilium, posterior surface of sacrum/coccyx, and fascia of lumbar area

Question 22

Insertion of glute max

Answer 22

Oblique ridge on the lateral surface of the greater trochanter and I.T band of TFL

Question 23

Origin of TFL

Answer 23

Anterior iliac crest + surface of ilium just below crest

Question 24

Insertion of TFL

Answer 24

1/4 of the way down the thigh into the I.T band -> anterolateral tibial condyle (Gerdy's tubercule)

Question 25

Origin of glute med

Answer 25

Lateral surface of ilium below the crest

Question 26

Insertion of glute med

Answer 26

Post. & medial surfaces of the greater trochanter

Question 27

Origin of glute min

Answer 27

Lateral surface of ilium below O of glute med

Question 28

Insertion of glute min

Answer 28

Anterior surface of the greater trochanter

Question 29

Origin of piriformis

Answer 29

Anterior sacrum, posterior portions of ischium & obturator foramen

Question 30

Insertion of piriformis

Answer 30

Superior & posterior aspects of greater trochanter

Question 31

Origin of gemellus superior

Answer 31

Ischial spine

Question 32

Insertion of gemellus superior

Answer 32

Posterior aspect of greater trochanter -> below piriformis

Question 33

Origin of obturator internus

Answer 33

Margin of the obturator foramen

Question 34

Insertion of obturator internus

Answer 34

Posterior aspect of the greater trochanter w/ G.S.

Question 35

Origin of gemellus inferior

Answer 35

Ischial tuberosity

Question 36

Insertion of gemellus inferior

Answer 36

Posterior aspect of greater trochanter with O.I.

Question 37

Origin of obturator externus

Answer 37

Inferior margin of the obturator foramen

Question 38

Insertion of obturator externus

Answer 38

Posterior aspect of greater trochanter below O.I.

Question 39

Origin of quadratus femoris

Answer 39

Ischial tuberosity

Question 40

Insertion of quadratus femoris

Answer 40

Intertrochanteric ridge of femur