Muscle Anatomy - Core Muscles

Question 1

What makes up the Iliopsoas group?

Answer 1

Psoas major
Psoas minor
Illiacus

Question 2

How can you palpate Psoas muscles?

Answer 2

So deep only by rectal exam

Question 3

Where does the Psoas major originate?

Answer 3

Ventral surfaces of last two ribs
Transverse processes of lumbar vertebrae

Question 4

Where does the Psoas major insert?

Answer 4

Medial surface of femur

Question 5

What is the action of Psoas major?

Answer 5

Flex hip joint and rotate thigh laterally

Question 6

Where does Psoas minor originate?

Answer 6

T16 or T17 and attaches to ribs

Question 7

Where does Psoas minor insert?

Answer 7

Ilium on Psoas tubercle

Question 8

What is the action of Psoas minor?

Answer 8

Flex lumbar spine

Question 9

Where does the Iliac muscle originate from?

Answer 9

Ventral surface of ilium
Wind of sacrum
SI ligament
Psoas minor ligament

Question 10

Where does Iliac muscle insert?

Answer 10

Medial side of femur

Question 11

What is the action of the Iliac muscle?

Answer 11

Flexes the hip
Rotates thigh outward