Anterior Abdominal Muscles

Question 1

What nerve innervates the anterior abdominal muscles?

Answer 1

lower intercostal nerves

Question 2

O: External abdominal oblique

Answer 2

lower ribs and hip bone

Question 3

I: External abdominal oblique

Answer 3

aponeurosis -> linea alba

Question 4

F: External abdominal oblique

Answer 4

pulling ribs towards midline (contralateral rotation of the trunk)

Question 5

N: External abdominal oblique

Answer 5

lower intercostal nerves

Question 6

O: Internal abdominal oblique

Answer 6

inguinal ligament and hip bone

Question 7

I: Internal abdominal oblique

Answer 7

aponeurosis -> linea alba and lower ribs

Question 8

F: Internal abdominal oblique

Answer 8

ipsilateral rotation of the trunk

Question 9

N: Internal abdominal oblique

Answer 9

lower intercostal nerves

Question 10

aponeurosis

Answer 10

very flat tendon that turns into the linea alba

Question 11

inguinal ligament

Answer 11

lower border of the aponeurosis

Question 12

O: Transversus abdominis

Answer 12

lower ribs and hip bone

Question 13

I: Transversus abdominis

Answer 13

aponeurosis -> linea alba

Question 14

F: Transversus abdominis

Answer 14

1) compress abdominal viscera

2) increasing abdominal pressure

Question 15

N: Transversus abdominis

Answer 15

lower intercostal nerves

Question 16

O: Rectus abdominis

Answer 16

pubic bone

Question 17

I: Rectus abdominis

Answer 17

xiphoid process and some ribs

Question 18

F: Rectus abdominis

Answer 18

flexion of trunk

Question 19

N: Rectus abdominis

Answer 19

lower intercostal nerves