MUSCLES OF THE HIP JOINT

Question 1

PSOAS MAJOR: O,I

Answer 1

O: anterolaterally T12-L5 vertebrae and anteriorly on TVP’s of L1-L5
I: lesser trochanter of femur

Question 2

PSOAS MAJOR: A,N

Answer 2

A: flexes and ER thigh at hip joint and posteriorly tilts pelvis at LS joint
N: lumbar plexus

Question 3

ILIACUS: O,I

Answer 3

O: upper iliac fossa, AIIS and sacral ala
I: lesser trochanter of femur

Question 4

ILIACUS: A,N

Answer 4

A: flexes and ER thigh at hip joint
N: femoral n

Question 5

TLF: O,I

Answer 5

O: ASIS
I: ITB (1/3 way down leg)

Question 6

TLF: A,N

Answer 6

A: flexes, ABD, and IR thigh at the hip joint
N: superior gluteal n

Question 7

SARTORIUS: O,I

Answer 7

O: ASIS
I: pes anserine tendon ( proximal anteromedial tibia)

Question 8

SARTORIUS: A,N

Answer 8

A:
N:

Question 9

PECTINEUS: O,I

Answer 9

O:
I:

Question 10

PECTINEUS: A,N

Answer 10

A:
N:

Question 11

ADDUCTOR LONGUS: O,I

Answer 11

O: anterior body of the pubis
I: middle 1/3 of the medial lip of the linea aspera of the femur

Question 12

ADDUCTOR LONGUS: A,N

Answer 12

A: adducts and flexes the thigh at the hip joint
N: obturator nerve

Question 13

GRACILIS: O,I

Answer 13

O:
I:

Question 14

GRACILIS: A,N

Answer 14

A:
N:

Question 15

ADDUCTOR BREVIS: O,I

Answer 15

O:
I:

Question 16

ADDUCTOR BREVIS: A,N

Answer 16

A:
N:

Question 17

ADDUCTOR MAGNUS: O,I

Answer 17

O:
ANT Head: inferior pubic ramus and ramus of ischium
POST Head: ischial tuberosity
I:
ANT head: gluteal tuberosity, linea aspera, and medial supracondylar line of femur
POST head: adductor tubercle of femur

Question 18

ADDUCTOR MAGNUS: A,N

Answer 18

A: adducts and extends the thigh at the hip joint
N: obturator and sciatic nerve

Question 19

GLUTEUS MAX: O,I

Answer 19

O: posterior iliac crest, posterolateral sacrum, and cocyx
I: ITB and gluteal tuberosity of femur

Question 20

GLUTEUS MAX: A,N

Answer 20

A: extends, ER, ABD (upper 1/3), and ADD (lower 2/3) the thigh at the hip joint
N: inferior gluteal nerve

Question 21

GLUTEUS MEDIUS: O,I

Answer 21

O: external ilium - inferior to the iliac crest
I: lateral surface of greater trochanter of femur

Question 22

GLUTEUS MEDIUS: A,N

Answer 22

A: abducts (entire), extends/ER (posterior), flexes/IR (anterior) thigh at the hip joint
N: superior gluteal n.

Question 23

GLUTEUS MINIMUS: O,I

Answer 23

O: external ilium (btwn ant and inferior gluteal lines)
I: greater trochanter of femur

Question 24

GLUTEUS MINIMUS: A,N

Answer 24

A: FLEX, IR thigh(ant); EXT and ER (post), and ABD(entire) thigh at hip joint
N: superior gluteal n.

Question 25

PIRIFORMIS: O,I

Answer 25

O: anterior surface of sacrotuberous ligament
I: greater trochanter of femur

Question 26

PIRIFORMIS: A,N

Answer 26

A: ER, horizontally extends, IR thigh at the hip joint
N: nerve to piriformis

Question 27

SUPERIOR GEMELLUS: O,I

Answer 27

O: ischial spine
I: greater trochanter of the femur

Question 28

SUPERIOR GEMELLUS: A,N

Answer 28

A: ER thigh at hip joint
N:nerve to obturator internus

Question 29

OBTURATOR INTERNUS: O,I

Answer 29

O: internal surface of the pelvic bone surrounding the obturator foramen
I: greater trochanter of femur

Question 30

OBTURATOR INTERNUS: A,N

Answer 30

A: ER thigh at hip joint
N: nerve to obturator internus

Question 31

INFERIOUS GEMELLUS: O,I

Answer 31

O: ischial tuberosity
I: greater trochanter of femur

Question 32

INFERIOUS GEMELLUS: A,N

Answer 32

A: ER thigh at hip joint
N: nerve to obturator internus

Question 33

OBTURATOR EXTERNUS: O,I

Answer 33

O: external surface if pelvic bone surrounding obturator foramen
I: trochanteric fossa of femur

Question 34

OBTURATOR EXTERNUS: A,N

Answer 34

A: ER thigh at hip joint
N: obturator nerve

Question 35

QUADRATUS FEMORIS: O,I

Answer 35

O: ischial tuberosity
I: intertrochnateric crest of femur

Question 36

QUADRATUS FEMORIS: A,N

Answer 36

A: ER thigh at hip joint
N: nerve to obturator internus