Wk 7: Anterolateral Abdomen

Question 1

External Oblique

Answer 1

O: Outer surface of 5th-12th ribs
I: Linea alba, pubic crest, ASIS and iliac crest
A: Rotates trunk to opposite side & compress abdominal contents
N: Anterior rami of T7-T12 and L1

Question 2

Internal Oblique

Answer 2

O: Thoracolumbar fascia, iliac crest, inguinal ligament
I: Lower margins of 9th-12th ribs, pubic crest, linea alba
A: Rotation to same side & compress abdominal content
N: Anterior rami of T7-T12

Question 3

Transversus Abdomen

Answer 3

O: Thoracolumbar fascia, iliac crest, inguinal ligament, costal cartilages of lower ribs
I: Linea alba, pubic crest, pectineal line
A: Compress abdominal contents
N: Anterior rami of T7-T12 and L1

Question 4

Rectus Abdominis

Answer 4

O: Pubic- crest, tubercle, and symphysis
I: Costal cartilages of 5th-7th rib & xiphoid process
A: Flex vertebral column & compress abdominal wall
N: Anterior rami of T7-T12

Question 5

Pyramidalis

Answer 5

O: Front of pubis & pubic symphysis
I: Linea alba
A: Tenses linea alba
N: Anterior ramus of T12