Principle Muscles of Anterolateral Abdominal Wall Flashcards Preview

Clinical Anatomy - Trunk/Thorax > Principle Muscles of Anterolateral Abdominal Wall > Flashcards

Flashcards in Principle Muscles of Anterolateral Abdominal Wall Deck (19)
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1

External oblique - O

external surfaces of 5th-12th ribs

2

External oblique - I

linea alba, pubic tubercle, and anterior half of iliac crest

3

External oblique - N

anterior rami of T7-T11

4

External oblique - A

compresses and supports abdominal viscera
trunk flexion and rotation

5

Internal oblique - O

thoracolumbar fascia, anterior 2/3 of iliac crest

6

Internal oblique - I

inferior borders of 10th-12th ribs, linea alba, and pubis via conjoint tendon

7

Internal oblique - N

anterior rami of T7-T11

8

Internal oblique - A

compresses and supports abdominal viscera
trunk flexion and rotation

9

Transverse abdominis - O

internal surfaces of 7th-12th costal cartilages, thoracolumbar fascia, iliac crest, and connective tissue deep to inguinal ligament

10

Transverse abdominis - I

linea alba with aponeurosis of internal oblique, of pubic crest, and pubis via conjoint tendon

11

Transverse abdominis - N

anterior rami of T7-T11

12

Transverse abdominis - A

compresses and supports abdominal viscera
contracts when laughing/clearing throat

13

Rectus abdominis - O

pubic symphysis and pubic crest

14

Rectus abdominis - I

xiphoid process and 5th-7th costal cartilages

15

Rectus abdominis - N

anterior rami of T7-T12 spinal nerves

16

Rectus abdominis - A

trunk flexion (lumbar)
compresses abdominal viscera
stabilizes and controls tilt of pelvis (antilordosis)

17

Linea alba

white line running vertically through rectus abdominis

18

Fiber orientation - External obliques

diagonally superior to inferior, posterior to anterior \\\\\ (hands in front pockets)

19

Fiber orientation - Internal obliques

diagonally inferior to superior, posterior to anterior /////