Muscles that move the hip

Question 1

Psoas Major O?

Answer 1

Body and Tp’s L1-L5.

Question 2

Psoas Major I?

Answer 2

Lesser trochanter of femur.

Question 3

Psoas Major A?

Answer 3

Flex and lat. rotate hip. Unilat. lat flex spine. I/O: Flex trunk toward thigh. Tilt pelvis anteriorly.

Question 4

Iliacus O?

Answer 4

Iliac fossa

Question 5

Iliacus I?

Answer 5

Lesser trochanter of femur.

Question 6

Iliacus A?

Answer 6

Flex and lat. rotate hip.

Question 7

Sartorius O? “tailor’s muscle”

Answer 7

ASIS

Question 8

Sartorius I?

Answer 8

Pes anserine tendon of tibia.

Question 9

Sartorius A?

Answer 9

Flex, lat. rotate and abduct hip. Flex knee, medially rotate knee.

Question 10

Tensor fascia latae O?

Answer 10

Anterior iliac crest.

Question 11

Tensor fascia latae I?

Answer 11

Iliotibial tract.

Question 12

Tensor fascia latae A?

Answer 12

Flex, medially rotate and abduct hip.

Question 13

Gluteus maximus O?

Answer 13

Coccyx, edge of sacrum, posterior iliac crest.

Question 14

Gluteus maximus I?

Answer 14

Upper fibers: IT tract. Lower fibers: gluteal tuberosity of femur.

Question 15

Gluteus maximus A?

Answer 15

All fibers: extend, lat. rotate and abduct hip. Lower fibers: adduct hip.

Question 16

Gluteus medius O?

Answer 16

Superior lateral surface of ilium.

Question 17

Gluteus medius I?

Answer 17

Lateral pt. of greater trochanter of femur.

Question 18

Gluteus medius A?

Answer 18

All fibers: Abduct hip. Ant. fibers: medial rotate hip. Posterior fibers: Laterally rotate and extend hip.

Question 19

Gluteus minimus O?

Answer 19

Inferior lateral surface of ilium.

Question 20

Gluteus minimus I?

Answer 20

Anterior part of greater trochanter of femur.

Question 21

Gluteus minimus A?

Answer 21

Abduct, med. rotate and flex hip.

Question 22

Piriformis O?

Answer 22

Anterior surface of sacrum (thru sciatic notch to…)

Question 23

Piriformis I?

Answer 23

Superior part of greater trochanter.

Question 24

Piriformis A?

Answer 24

Laterally rotate and abduct hip.

Question 25

Pectineus A?

Answer 25

Adduct hip.

Question 26

Pectineus location?

Answer 26

Most anterior of adductors, along with adductor longus.

Question 27

Adductor brevis O?

Answer 27

Inferior ramus of pubis.

Question 28

Adductor brevis I?

Answer 28

Medial lip of linea aspera.

Question 29

Adductor brevis A?

Answer 29

Adduct hip.

Question 30

Adductor Longus O?

Answer 30

Pubic tubercle

Question 31

Adductor longus I?

Answer 31

Medial lip of linea aspera.

Question 32

Adductor longus A?

Answer 32

Adduct hip.

Question 33

Adductor magnus O?

Answer 33

Inferior ramus of pubis, ramus of ischium and ischial tuberosity.

Question 34

Adductor magnus I?

Answer 34

Medial lip of linea aspera and adductor tubercle.

Question 35

Adductor magnus A?

Answer 35

All fibers: adduct hip. Anterior fibers: flex hip. Posterior fibers: extend hip.

Question 36

Gracilis O?

Answer 36

Inferior ramus of pubis.

Question 37

Gracilis I?

Answer 37

Pes anserine tendon of tibia.

Question 38

Gracilis A?

Answer 38

Adduct hip, flex and medially rotate a flexed knee.