Abdominal Wall Muscles

Question 1

Rectus Abdominis o/i

Answer 1

Anterior
o:pubis crest and symphis pubis
i:xiphoid process and inferior ribs

Question 2

rectus Abdmonis movements

Answer 2

flexes vertebral column
compresses abdominal wall

Question 3

external abdominal oblique o/i

Answer 3

Anterior
o:5-12 rib
i: illiac crest, inguianl ligament , rectus shealth

Question 4

external abdominal oblique movement

Answer 4

flexes and rotates vertebral column
compresses abdominal wall
depresses thorax

Question 5

transverse abdominus o/i

Answer 5

anterior
o: 7-12 ribs
I: xiphoid process, linea alba, pubic tubercle

Question 6

transverse abdominus movement

Answer 6

compresses abdominal wall

Question 7

quadratus lumborum o/i

Answer 7

posterior
o: illiac crest and lower lumbar vertabrae
I: 12th rib and upper lumbar vertabrae

Question 8

quadratus lumborum movement

Answer 8

laterally flexes vertberal column and depressses 12th rib

Question 9

internal abdominal oblique 0/i

Answer 9

o: illiac crest, inguinal ligament, lumbar fascia
i: 10-12th rib, rectus shealth

Question 10

internal abdominal oblique movement

Answer 10

flexes and rotates vertebral collumn
compresses abd wall
decompresses thorax

Question 11

3. layers of ABD from superficial to deep

Answer 11

1. external abdominal oblique
2. internal abdominal oblique
3. Trasnverus Abdmoninis

Question 12

linea alba

Answer 12

line of dense regular connective tissue visible in lean people
extends from xiphoid process to pubis
in middle or rectus abdominis

Question 13

tendinious intersections

Answer 13

intersect rectus abdmonis to form “6 pack”

Question 14

Rectus Sheath

Answer 14

surrounds rectus abdominis

Question 15

linea semularis

Answer 15

cresent moon shaped line next to rectus abdominis

Question 16

nerve of abdominal muscles

Answer 16

lower thoracic