Lec. 4: O/I of Abdominal mms

Question 1

External oblique

Answer 1

O: lower 8 ribs
I: via broad aponeurosis to the xiphoid process, linea alba, pubic crest, pubic tubercle and the iliac crest - ANT 1/2

Question 2

Internal oblique

Answer 2

O: thoracolumbar fascia, ANT 2/3 of iliac crest, LAT 2/3 of inguinal lig
I: ribs 10-12 and via a broad aponeurosis to the linea alba, xiphoid process and the symphysis pubis

Question 3

Transverse abdominis

Answer 3

O: inner surface of lower 6 costal cartilages, thoracolumbar fascia, ANT 2/3 of the iliac crest and LAT 1/3 of the inguinal lig
I: via a broad aponeurosis to the xiphoid process, linea alba and the symphysis pubis

Question 4

rectus abdominis

Answer 4

O: pubic crest and pubic symphysis
I: outer surface of the xiphoid process and 5, 6, and 7th costal cartilages

Question 5

Pyramidalis

Answer 5

O: ANT surface of pubis and pubic symphysis
I: linea alba

Question 6

diaphragm

Answer 6

O: xiphoid process, lower 6 ribs and costal cartilages and L1-L3 (inner surfaces)
I: central tendon (@ level of xiphisternal jt.)

Question 7

external intercostals

Answer 7

O: INF border of rib above
I: SUP border of rib below

Question 8

internal intercostals

Answer 8

O: SUP border of rib below
I: INF border of rib above

Question 9

innermost intercostals

Answer 9

O: adjacent ribs (located in lateral curve or ribcage)
I: adjacent ribs (located in LAT curve or ribcage)

Question 10

4 mms of respiration

Answer 10

-diaphragm
-external intercostals
-internal intercostals
-innermost intercostals

Question 11

5 mms of the anterolateral abdominal wall

Answer 11

-external oblique
-internal oblique
-tranverse abdominis
-rectus abdominus
-pyramidalis