Abdominal muscles

Question 1

Anterior abdominal layers

Answer 1

• Skin
• Camper’s fascia ( fatty layer )
• Scarpa’s fascia
• External Oblique
• Internal oblique
• Transverse Abdominis
• Rectus Abdominis
• Transversus fascialis
• Peritoneum

Question 2

Nerve supply of Abdominal muscles

Answer 2

Rectus abdominis
External oblique
- supplied by lower sixth thoracic nerves

Internal oblique
Transversus abdominis
- supplied by lower sixth thoracic nerves
- iliohypogastric 
- ilioinguinal

Question 3

Aponeurosis of Rectus Abdominis ?

Answer 3

is deficient below the arcuate line

Question 4

Rectus abdominis runs from

Answer 4

from pubic symphysis to xiphoid process

Question 5

Rectuc abdominis function

Answer 5

Causes flexion of thoracic spine

Question 6

Quadratus lumborum function

attached to ?
insert to ?

Answer 6

Causes the rib cage to be pulled down

Attached to - medial Iliac crest & iliolumbar ligament
Inserts into - 12th rib

Question 7

Upper midline incision divides which structure ?

Answer 7

Linea alba