Lesson 2A (Part 3)

Question 1

What muscles make up the core? (7)

Answer 1

1. External oblique muscles
2. Internal oblique muscles
3. Transverse abdominus muscles
4. Rectus abdominus
5. Erector spinae muscles
6. Psoas muscle
7. Quadratus lumborum (QL)

Question 2

Where do you find the exterior oblique muscles?

Answer 2

They are the outer most muscle that you can physically see that start outer lateral region and move down and medial

Question 3

Where do the exterior oblique muscles originate?

Answer 3

From the ribs

Question 4

Where do the exterior oblique muscles insert? (3)

Answer 4

On the anterior side of the…

1. Rectus abdominus aponerosis
2. Iliac crest
3. Pubic tubercle

Question 5

What does the inferior margin/border of the exterior oblique muscles form?

Answer 5

The inguinal ligament

Question 6

Where does the internal oblique muscles originate?

Answer 6

From the iliac crest to the inferior borders of the ribs and the aponeurosis on the lateral portion of the rectus abdominus muscle

Question 7

Where do you find the internal oblique muscles?

Answer 7

On the inner lateral region and extends upwards medially

Question 8

What is the internal oblique muscles perpendicular to?

Answer 8

The external oblique muscles

Question 9

What is the innermost of the flat abdominal muscles?

Answer 9

Transverse abdominus muscles

Question 10

Where does the Transverse abdominus muscles originate? (3)

Answer 10

1. Costal margin
2. Lumbar fascia
3. Anterior 2/3rds of the iliac crest and lateral half of the inguinal ligament

Question 11

Where does the Transverse abdominus muscles insert on?

Answer 11

The aponeurosis of the posterior rectus sheath

Question 12

Are fibres external, internal or transverse muscles?

Answer 12

Transverse

Question 13

Name the most superficial muscles to the deepest? (3)

Answer 13

1. External oblique
2. Internal oblique
3. Transverse

Question 14

What side does the external oblique muscle attach to?

Answer 14

Anterior

Question 15

What side does the internal oblique muscle attach to?

Answer 15

Middle

Question 16

What side does the transverse muscle attach to?

Answer 16

Posterior

Question 17

Where do you find the rectus abdominus muscles?

Answer 17

Anteriorly on each side of the linea albe

Question 18

Which way to rectus abdominus muscles run?

Answer 18

Long and vertical

Question 19

Where does the rectus abdominus muscles extend from?

Answer 19

The xphoid process of the sternum to the symphysis pubis

Question 20

What are the most medial muscles?

Answer 20

Rectus abdominus muscles

Question 21

What do the rectus abdominus muscles attach onto? What does it make? (2)

Answer 21

1. Each other
   - they dont attach onto bone
2. Linea alba

Question 22

Linea alba

Answer 22

A fibrous structure running down the midline from the xphoid process to the pubic symphysis

Question 23

What does linea alba mean?

Answer 23

White line

Question 24

What is the linea alba made up of?

Answer 24

Collagen connective tissues

Question 25

What is the linea alba formed by?

Answer 25

The aponeuroses of the abdominal muscles

Question 26

What does the linea alba separate?

Answer 26

The right and left rectus abdominus muscles