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Anatomy > Anterolateral Abdominal Wall > Flashcards

Anterolateral Abdominal Wall Flashcards

1
Q

Valsalva Maneuver

A

coordinated increase of abdominal pressure

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2
Q

Superior Boundary

A

Right and left costal margins

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3
Q

Inferior Boundary

A

Anterior superior iliac spine (ASIS) to the pubic symphysis

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4
Q

Lateral Boundary

A

Verticle line through Anterior superior iliac spine (ASIS)

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5
Q

Linea alba

A

white line between rectus abdominus muscles

site where the aponeuroses of 3 flat abdominal muscles join

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6
Q

Linea Semilunaris

A

Lateral border of rectus abdominus

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7
Q

Intertendinous Line

A

transverse lines between rectus abdominus

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8
Q

What are the planes in the Quadrant plane?

A

At L3/L4 level

  1. Right upper quadrant
  2. Left upper quadrant
  3. Right lower quadrant
  4. Left lower quadrant
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9
Q

What are the planes in the 9-region plane?

A

At L3 and L5 levels

  1. Upper Right and Left hypochondriac region
  2. Upper middle epigastric region
  3. Middle right and left lumbar or flank region
  4. Middle umbilical region
  5. Lower Right and Left groin or iliac region
  6. Lower middle pubic region
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10
Q

Camper’s Fascia

A

Superficial fatty layer
contains superior epigastric artery and vein
Goes to labia major of females

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11
Q

Scarpa’s Fascia

A

Thin, membranous layer

Ruses medially with linea alba and with fascia lata below inguinal ligament

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12
Q

Order of Abdominal Muscles Superficial to Deep

A

External Oblique
Internal Oblique
Transversus Abdominus
Odd ball Rectus Abdominus

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13
Q

Where do the nerves for anterolateral abdominal wall come from?

A

Anterior primary rami

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14
Q

What spinal levels supply anterior abdominal wall muscles and skin?

A

T7-L1

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15
Q

Levels of lateral cutaneous nerve branches

A

T7-T12

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16
Q

Levels of Intercostal Nerves

A

T7-T11

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17
Q

Level of Subcostal Nerves

A

T12

18
Q

Level of Ilihypogastric and Ilioinguinal Nerves

A

L1

19
Q

Herpes Zoster

A

Shingles Virus
Will arise along dermatomes
The virus stays dormant in dorsal root ganglia and reactivates along the dermatomes

20
Q

Where do the spinal nerves for anterior abdominal wall run?

A

Between 2nd and 3rd layer of muscles

21
Q

Branches of Internal Thoracic artery

A

Superior epigastric and musculophrenic arteries

22
Q

Superior anterior abdominal wall arterial supply

A 
From thoracic aorta:
1. posterior intercostal arteries (ribs 10-11)
2. subcostal artery 
From Internal Thoracic artery 
1. Superior epigastric artery 
2. Musculophrenic artery
23
Q

Inferior anterior abdominal wall arterial supply

A

From external iliac artery
1. Inferior epigastric artery
Femoral artery

24
Q

Rectus Sheath

A

Aponeuroses of 3 flat abdominal muscles

Completely enclose rectus abdominus muscles above the arcuate line

25
Q

Arcuate line

A

Where the rectus sheath ends

Marks transition in layers of rectus sheath

26
Q

Diastasis Recti

A

separation of rectus abdominus muscles along linea alba
weakness can lead to hernia
NOT a hernia

27
Q

Ventral (epigastric) hernia

A

Hernia along linea alba.

Stomach of intestines protrude out where they shouldn’t

28
Q

Spigelian Hernia

A

Lateral hernia along the linea semi-lunaris line of the rectus abdominus

29
Q

What 2 aponeuroses from the conjoint tendon?

A

transversus abdominus and internal abdominal oblique muscle

30
Q

External Oblique Muscle O and I

A

O: ribs 5-12
I: linea alba, pubic tubercle, and iliac crest

31
Q

External Oblique Innervation

A

Anterior Primary Rami from T7-T12

32
Q

External Oblique action

A

Compress and support abdominal viscera

Flex and rotate trunk

33
Q

Internal Oblique Muscle O and I

A

O: Thoracolumbar fascia, iliac crest, and inguinal ligament
I: Ribs 10-12, linea alba, conjoint tendon

34
Q

Internal Oblique Innervation

A

Anterior Primary Rami, Iliohypogastric and Ilioinguinal

35
Q

Internal Oblique Action

A

Compress and supports abdominal viscera

Flex and rotate trunk

36
Q

Transversus abdominis Muscle O and I

A

O: Ribs 7-12, thoracolumbar fascia, iliac crest, and inguinal ligament
I: Linea alba, pubic crest, and conjoint tendon

37
Q

Transversus Abdominus Innervation

A

Anterior Primary Rami, Iliohypogastric and Ilioinguinal

38
Q

Transversus Abdominus Action

A

Compress and supports abdominal viscera

39
Q

Rectus Abdominus Muscle O and I

A

O: Pubic symphysis and pubic crest
I: Xiphoid process and ribs 5-7

40
Q

Rectus Abdominus Innervation

A

Anterior Primary Rami

41
Q

Rectus Abdominus Action

A

Flex trunk and compress abdominal viscera

Anatomy (8 decks)

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