Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

ANAT 314 Material > Abdominal Wall > Flashcards

Abdominal Wall Flashcards

1
Q

What is the order of the layers of the abdominal wall, from external to internal?

A

Skin, Camper’s fascia, Scarpa’s fascia, muscle, transversalis fascia, peritoneum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the anterior abdominal wall muscles?

A

External oblique, internal oblique, transversus abdominis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the common functions of the anterior abdominal wall muscles?

A

Bilateral - flexion of vertebral column
Forced expiration
Compression of abdominal organs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the lateral and antero-medial attachments of the external oblique?

A

Outer surface of ribs 5-12 to linea alba, pubic tubercle and iliac crest

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the fiber orientation of external oblique?

A

Superior/posterior to inferior/anterior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the function of external oblique?

A

Ipsilateral flexion, contralateral rotation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What are the postero-lateral and medial attachments of internal oblique?

A

Thoracolumbar fascia, iliac crest and anterior superior iliac spine to inferior border of ribs 10-12, xiphoid, linea alba, pubic tubercle and iliac crest

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the fiber orientation of internal oblique?

A

Superior half at right angles to external oblique

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are the functions of internal oblique?

A

Ipsilateral trunk flexion, ipsilateral trunk rotation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are the postero-lateral and medial attachments of transversus abdominis?

A

TLF, iliac crest, inner cartilage of T6-T12 to linea alba and pubic crest

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the fiber orientation of transversus abdominis?

A

Transverse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the function of transversus abdominis?

A

Compressing abdominal contents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the fiber orientation of rectus abdominis?

A

Vertical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What separates the rectus abdominis?

A

3 tendinous intersections at umbilicus, xiphoid tip and halfway in between

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What envelops the rectus abdominis?

A

Rectus sheath

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are the superior and inferior attachments of the rectus abdominis?

A

Ribs 5-7 and xiphoid process to pubic crest and symphysis

17
Q

What are the functions of the rectus abdominis?

A

Trunk flexion, compression of abdomen

18
Q

The aponeuroses are ____________ to the rectus abdominis below the arcuate line

A

Anterior

19
Q

What leads to Spigelian hernias?

A

Area of weakness where the arcuate line and the linea semilunaris meet

20
Q

What innervates the abdominal wall and its muscles?

A

Anterior rami (thoracoabdominal, subcostal, iliohypogastric and ilio-inguinal nerves)

21
Q

What is the blood supply of the abdominal wall?

A

Musculophrenic and superior epigastric arteries from ITA, last intercostal and subcostal arteries and inferior epigastric artery

22
Q

What are the muscles of the posterior abdominal wall?

A

Psoas minor, psoas major and quadratus lumborum, diaphragm

23
Q

What are the superior and inferior attachments of psoas minor?

A

Vertebral bodies T12/L1 to pubis

24
Q

What is the action of psoas minor?

A

Assists in lumbar flexion (does not cross hip joint)

25
Q

What are the superior and inferior attachments of psoas major?

A

Vertebral bodies T12/L4 to lesser trochanter of femur

26
Q

What is the action of psoas major?

A

Hip flexion, assists in lumbar flexion and lateral flexion

27
Q

What are the superior and inferior attachments of quadratus lumborum?

A

Iliac crest to transverse processes of L1-L4 and inferior edge of rib 12

28
Q

What is the action of quadratus lumborum?

A

Bilateral - assists in trunk flexion
Unilateral - ipsilateral lumbar lateral flexion

29
Q

What are the arcuate ligaments of the diaphragm?

A

Lateral (quadratus lumborum), medial (psoas minor and major) and median (aorta/aortic hiatus) arcuate ligaments

ANAT 314 Material (22 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions