Anterolateral Abdominal Wall

Question 1

Bony landmarks

Answer 1

Question 2

Answer 2

Question 3

Answer 3

Question 4

Function of anterolateral wall muscles

Answer 4

–Mechanically support abdominal viscera

–Stretch to accommodate changes in cavity volume

–Compress cavity to assist in expiration, coughing, evacuation

–Flex/rotate/ lat. bend trunk

Question 5

Answer 5

Rectus abdominus

Question 6

Rectus abdominus attachments and innervation

Answer 6

Prox: Pubic tubercle & symphysis

Dist: 5-7th cost. cart., xiphoid

Inn: vent. ramiof T7-T12

Question 7

Answer 7

External oblique muscles

Question 8

External oblique muscles attachment and innervation

Answer 8

Prox: 5th-12thribs

Dist: lineaalba, pubic tubercle, iliac crest

Inn: vent. ramiof T7-T12

Question 9

Answer 9

Internal oblique muscles

Question 10

Internal oblique muscles attachments and innervation

Answer 10

Prox: TL fascia, iliac crest

Dist: 10th-12thribs, lineaalba, pubic tubercle

Inn: vent. rami of T7-T12, iliohypogastic and ilioinguinal NN (L1)

Question 11

Answer 11

Transversus abdominus m

Question 12

Transversus abdominus m attachments and innervation

Answer 12

Prox: 7th-12th cost cart, TL fascia, iliac crest

Dist: linea alba, pubic crest, pectin pubis

Inn: vent rami of T7-T12, iliohypogastic and ilioinguinal NN (L1)

Question 13

Rectus sheath at or above umbilicus

Answer 13

Question 14

Rectus sheath below umbilicus (arcuate line)

Answer 14

Question 15

Contents of rectus sheath

Answer 15

• RectusabdominisM
• Sup/InfepigastricA/V
• Vent ramiof T7-T12

Question 16

Answer 16

Question 17

Answer 17

Question 18

Answer 18

Question 19

Dermatomes:

• levelof xiphoid process
• umbilicus
• pubic symphysis

Answer 19

• T6: levelof xiphoid process
• T10: umbilicus
• L1: pubic symphysis

Question 20

Answer 20

Question 21

Answer 21

Paraumbilical vein at umbilicus

Question 22

Answer 22

Question 23

Inguinal region attachments

Answer 23

Extends from ant sup iliac spine to pubic tubercle

Question 24

Answer 24

Question 25

Answer 25

Question 26

Answer 26

Question 27

Answer 27

Cremaster M (surrounding intspermatic fascia)

Question 28

Spermatic cord contents

Answer 28

–Vas (ductus) deferens –Testicular A –Pampiniform venous plexus –IlioinguinalN (L1) –Genitofemoral N (L1-L2) (Innervates cremaster M)

Question 29

Answer 29

Question 30

Female inguinal canal contents

Answer 30

Round ligament of uterus

Question 31

Answer 31