Ant Abd Wall Skin And Fascia Part 1

Question 1

Cutaneous nerve supply-

Answer 1

Anterior rami of lower 6 thoracic nerves (T7-T12)

• Lateral Cutaneous branches
• Anterior Cutaneous branches

Lumbar nerves (L1)

• Iliohypogastric nerve
• Ilioinguinal nerve

Question 2

Cutaneous nerves run:

Answer 2

Between transvers abdominals and the internal oblique

Question 3

Iliohypogastric and ilioinguinal nerves derive from

Answer 3

L1

Question 4

Vertical lines of division for abdominal planes

Answer 4

Mid clavicular lines

Question 5

Horizontal lines of division for abdominal planes

Answer 5

Subcostal plane (L3) 
Intertubercular plane (L5)
Transpyloric plane (L1)

Question 6

Structures located in transpyloric plane *IMPORTANT

Answer 6

Pylorus of the stomach
Neck of pancreas
Fund us of gallbladder
End of spinal cord
Colic flexure
Cisterna chyli
Tips of the 9th rib

Question 7

There are ____ (#) abdominal regions

Answer 7

9

Question 8

Regions between transpyloric and sub coastal lines

Answer 8

Right hypochondrium
Epigastric
Left hypochondrium

Question 9

Abdominal regions between subcostal and intertubercular lines

Answer 9

Right flank (AKA right lumbar region) 
Umbilical region
Left flank (aka left lumbar region)

Question 10

Abdominal regions below the intertubercular plane

Answer 10

Right groin (AKA right Iliac region or right inguinal region)

Pubic region (AKA hypogastric region)

Left groin (AKA left iliac region or inguinal region)

Question 11

Masses of connective tissue large enough to be visible to the unaided eye

Answer 11

Fascia

Question 12

Fatty layer of the superficial fascia

Answer 12

Camper’s Fascia

Question 13

Membranous layer of the superficial fascia (2)

Answer 13

Scarpa’s fascia

Colles’ fascia

Question 14

Anterior abdominal wall muscles

Answer 14

External oblique
Internal oblique
Transversus abdominals
Rectus abdominis

Question 15

OIN for External abdominal oblique

Answer 15

OR: Lower 8 ribs

INS: Xiphoid process
Linea alba
Pubic symphysis
Pubic crest
Pubic tubercle
Iliac crest

NS: T7-L1

Question 16

Inguinal ligament, AKA

Answer 16

External abdominal oblique aponeurosis

Question 17

External abdominal oblique muscle also provides: (3)

Answer 17

Inguinal ligament

Superficial inguinal ring

Linea alba

Question 18

OIN for Internal abdominal oblique

Answer 18

OR: Lumbar fascia
Iliac crest
Lateral 2/3 of inguinal ligament

INS: Lower 3 ribs (10, 11, 12)
Xiphoid process
Linea alba
Pubic symphysis
Pubic crest
Pectineal line 

NS: T7-L1

Question 19

Opening to superficial area for structures in the inguinal canal

Answer 19

Superficial inguinal ring

Question 20

OIN for transversus abdominis

Answer 20

OR: Lower 6 costal cartilages
Lumbar fascia
Iliac crest
Lateral 1/3rd of inguinal ligament

INS: Xiphoid process
Linea alba
Symphysis pubis
Pubic crest
Pectineal line

NS: T6-L1

Question 21

What forms the conjoint tendon?

Answer 21

The lower most finbers of internal oblique and transversus abdominis joining together

Question 22

The Conjoint tendon is attached to the:

Answer 22

Pubic crest

Question 23

Transversalis fascia is deep to:

Answer 23

Transversus abdominis muscle

Question 24

What contains the deep inguinal ring?

Answer 24

Transversalis fascia

Question 25

OIN for Rectus abdominis

Answer 25

OR: Pubic symphysis Pubic crest INS: 5th to 7th costal cartilages Xiphoid process NS: T7-T11

Question 26

Rectus abdominis includes:

Answer 26

Tendinous intersections | Linea semilunaris

Question 27

What splits to enclose Rectus abdominis?

Answer 27

Internal oblique

Question 28

OINA for Pyramidalis

Answer 28

OR: Pubis Pubic symphysis INS: Linea Alba NS: T12 AC: Tenses the linea alba

Question 29

Tendon that everything in the abdomen crosses

Answer 29

Lina alba

Question 30

Actions of the abdominal wall muscles (4)

Answer 30

``` Move the trunk Depress the ribs Compress abdominal contents Support the viscera Assist in breathing (relaxes during inspiration, contracts during FORCED expiration) ```

Question 31

When diaphragm is fixed by holding inspired air and closing laryngeal openings: (3)

Answer 31

Micturation Defecation Parturition

Question 32

Motor pathway nerves

Answer 32

Supplies motor to muscles along the way and end up in skin for sensory q

Question 33

Location of the neurovascular plane

Answer 33

Located between the transverse abdominis and internal abdominal oblique **similar to what is observes with intercostal nerves in the thorax**

Question 34

Blood supply of the abdomen

Answer 34

Superior and inferior epigastric arteries supply the muscles

Question 35

Superior epigastric artery branches from

Answer 35

Internal thoracic

Question 36

Inferior epigastric artery comes from

Answer 36

External iliac

Question 37

Branches of the internal thoracic artery

Answer 37

Superior epigastric artery | Musculophrenic artery

Question 38

Branches of the external iliac

Answer 38

Inferior epigastric artery | Deep circumflex artery