Lesson 2A (Part 4)

Question 1

What is the origin of the psoas major muscle? (3)

Answer 1

1. Vertebral bodies
2. Intervertbral disc
3. Transverse processes of T12-L5

Question 2

Where does the psoas muscle pass along?

Answer 2

Anteriorly to the iliac crest of the pelvis

Question 3

Where does the psoas muscle insert on?

Answer 3

The lesser trochanter of the femur

Question 4

Psoas muscle

Answer 4

Is a long and think muscle that sits on the lumbar portion of the spine
- moves down to the iliac and eventually becomes the iliopsoas muscle

Question 5

Quadratus lumborum muscles

Answer 5

Is a think muscular sheet on the posterior side of the body

Question 6

What is the origin of the QL? (2)

Answer 6

1. Iliac crest
2. Transverse processes
   - L1-L4

Question 7

Where does the QL ascend to insert?

Answer 7

On the inferior border of the 12th rib

Question 8

Where is the QL compared to the psoas? (2)

Answer 8

1. More lateral

2. Posterior