Ant. Abdominal Wall: Muscles Flashcards Preview

Gross II Exam III > Ant. Abdominal Wall: Muscles > Flashcards

Flashcards in Ant. Abdominal Wall: Muscles Deck (10)
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1
Q

What is the median tendonus raphe which extends from the xiphoid process to the pubic symphyis

A

Linea Alba

2
Q

The fibers of the external oblique run in which direction?

A

Downward and Forward

3
Q

The fibers of the internal oblique run in which direction?

A

Downward and Backward

4
Q

What is the muscle that is known to be the “natural back brace” of the body?

A

Transversus Abdominus Muscle

5
Q

The linea alba runs between what muscle fibers?

A

Vertically between the fibers of the left and right rectus abdominis muscles

6
Q

What is the curved line along the lateral border of the rectus abdominis muscle?

A

Linea Semilunaris

7
Q

What are the 3 bundles of connective tissue that run transversely across the rectus abdominis muscle and are fused with the rectus sheath?

A

Tendinous Intersections

8
Q

Which muscle of the anterior abdominal wall is often absent but lies anterior to the rectus abdominis within the rectus sheath?

A

Pyramidalis Muscle

9
Q

How do the anterior abdominal muscles relate to low back pain?

A

Weak abdmonial muscles are well documented to be a cause of low back pain

10
Q

The anterior abdmoninal wall muscles are involved in what visceral functions?

A

1) Coughing (Forced Exasperation from the Vagus)
2) Sneezing (Forced Exasperation from the Trigeminal)
3) Deification
4) Vomiting
5) Maturation (Urination)
6) Parturition (Child Birth