Muscles of the Abdomen that protect abdominal viscera Flashcards
1
Q
Action
A
compress abdomen during childbirth, defecation, micturition, forced exhalation.
2
Q
Innervated by
A
thoracic spinal nerves
3
Q
external oblique
A
Superficial
4
Q
internal oblique
A
intermediate flat
5
Q
transversus abdominis
A
deep
6
Q
rectus abdominis
A
long muscle that extends the entire length of anterior abdominal wall
7
Q
The four fibrous bands of tissue that interrupt the rectus abdominis muscle
A
tendinous intersections that fuse with the anterior wall but have no connections to the posterior abdominal wall
8
Q
The aponeuroses of the external, internal obliques and transversus abdominis musclse form the
A
rectus sheaths
9
Q
What do rectus sheaths do
A
enclose rectus abdominis muscles. The sheaths meet at the midline to form the linea alba
