Final OP MSAK

Question 1

ADDUCTOR LONGUS: O,I

Answer 1

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

Question 2

ADDUCTOR LONGUS: A,N

Answer 2

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

Question 3

ADDUCTOR MAGNUS: O,I

Answer 3

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 4

ADDUCTOR MAGNUS: A,N

Answer 4

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

Question 5

GLUTE MAX: O,I

Answer 5

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

Question 6

GLUTE MAX: A,N

Answer 6

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

Question 7

GLUTE MEDIUS: O,I

Answer 7

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

Question 8

GLUTE MEDIUS: A,N

Answer 8

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

Question 9

PIRIFORMIS: O,I

Answer 9

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

Question 10

PIRIFORMIS: A,N

Answer 10

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

Question 11

SEMIMEMBRANOSUS: O,I

Answer 11

O: ischial tuberosity
I: posterior surface of medial condyle of tibia

Question 12

SEMIMEMBRANOSUS: A,N

Answer 12

A: flexes leg at knee joint and extends thigh at hip joint
N: sciatic n

Question 13

SEMITENDINOUSUS: O,I

Answer 13

O: ischial tuberosity
I: pes anserine tendon

Question 14

SEMITENDINOUSUS: A,N

Answer 14

A: flexes leg at knee joint and extends thigh at hip joint
N: sciatic n

Question 15

BICEPS FEMORIS: O,I

Answer 15

O:
LH: ischial tuberosity
SH: lateral supracondylar line of femur
I: head of fibula and lateral tibial condyle

Question 16

BICEPS FEMORIS: A,N

Answer 16

A: flexes leg at knee joint and extends thigh at hip joint
N: sciatic n

Question 17

RECTUS ABDOMINUS: O,I

Answer 17

O: pubis
I: xiphoid process and cartilage of ribs 5-7

Question 18

RECTUS ABDOMINUS: A,N

Answer 18

A: flexes and laterally flexes the trunk at the spinal joints
N: intercostal nerves

Question 19

EXTERNAL OBLIQUES: O,I

Answer 19

O: anterior iliac crest, pubic bone and abdominal aponeurosis
I: ribs 5-12

Question 20

EXTERNAL OBLIQUES: A,N

Answer 20

A: flexes, laterally flexes, CONTRALATERALLY rotates the trunk at the spinal joints
N: intercostal nerves

Question 21

INTERNAL OBLIQUES: O,I

Answer 21

O: inguinal ligament, iliac crest, and thoracolumbar fascia
I: ribs 10-12 and abdominal aponeurosis

Question 22

INTERNAL OBLIQUES: A,N

Answer 22

A: flexes, laterally flexes, IPSILATERALLY rotates the trunk at the spinal joints
N: intercostal nerves

Question 23

TFL: O,I

Answer 23

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

Question 24

TFL: A,N

Answer 24

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

Question 25

ILIACUS: O,I

Answer 25

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

Question 26

ILIACUS: A,N

Answer 26

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

Question 27

PSOAS: O,I

Answer 27

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

Question 28

PSOAS: A,N

Answer 28

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