TOPIC 27

Question 1

Muscles

Answer 1

M.Obliqus externus abdominis
M.Obliqus internus abdominis
M.Transversus abdominis
M.Rectus abdominis

Question 2

Blood supply

Answer 2

A.Abdominis Cranialis
A.Epigastrica Cranialis
A.Epigastrica Caudalis
A.circumflexa ileum profunda

Question 3

Innervations

Answer 3

N.costoabdominalis (Th13) - abd.m
N.Iliohypogastricus cranialis (L1) - abd.m
N.Iliohypogastricus caudalis (L2) - Abd.m
N.Ilioinguinalis (L2-3) - abd.m
N.genitofemoralis(L3-L4) -> M.obliquus internus

You find the nerves by opening abdominal wall, and scraching dorsally under the peritoneu. by the spine, where they emerge frkm the intervertebral foramen

Question 4

M.obliqus externus abdominis

Answer 4

O: Thoracolumbar fascia + lateral aspect of rib(3-4)
I: Fibers run caudoventrally to linea alba \\ lig.inguinale
A: Inspirator

Question 5

M.obliquus Internus abdominis

Answer 5

O: Thoracolumbar facia + tuber coxae + Proximal part of lig.inguinale
I: Fibers run cranioventrally to linea alba /////
A: Expirator

Question 6

M.transversus abdominis

Answer 6

O: Transverse process of lumbar vertebrae + medial surface of false ribs
I: Linea alba + Xiphoid cartilage
A: Supports stomach

Question 7

M.Rectus Abdominis

Answer 7

O: 1st rib, sternum, linea alba
I: Pupic symphysis
A: Supports stomach

Question 8

Rectus sheet

Answer 8

O: Cranially from sternum

Th: E - R - Th.wall
Preumb E - I - R - I - T - P
Umv E - I - R - T - P
Postumb E - I - T - R - P

I: Pecten ossis pubis