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Muscles: OIAN > Abdomen > Flashcards

Abdomen Flashcards

1
Q

Transversalis Fascia

A

Connective tissue layer that surrounds the inner surface of the abdomen. But it’s not the deepest layer.

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2
Q

External oblique OIAN

A

O: external surface of 5th-12th rib

I: linea Alba (a raphae), pubic tubercle, and anterior half of iliac crest.

A:Flexes and rotates trunk (contral Lateral). Compresses abdomen.

N: thoraco abdominal nerves via ventral rami of T7-T11 and subcostal nerves (T12)

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3
Q

Internal Oblique

A

O: Thoracolumbar Fascia, anterior 2/3 of iliac crest, lateral 1/3 inguinal ligament

I: Inferior borders of 10th-12th ribs, linea alba, pubic bone

A:Flexes and rotates trunk (Ipsilateral). Compresses abdomen.

N: thoraco abdominal nerves via ventral rami of T7-L1

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4
Q

Transversus abdominis

A

O: Internal surface of 7th to 12th costal cartilages, thoracolumbar fascia, iliac crest,

I: Linea alba with aponeurosis of internal oblique, pubic crest, and pubis.

A: Compress abdominal viscea.

N: thoraco abdominal nerves via ventral rami of T7-L1

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5
Q

Rectus Abdominis

A

O: Pubic Symphysis and pubic crest

I: Xiphoid proccess and 5th-7th costal cartilages

N: thoraco abdominal nerves via ventral rami of T7-T12

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6
Q

is there a posterior rectus sheath below the arcuate line?

A

NO. only the transversalis remains.

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7
Q

What is the Arcuate Line of posterior rectus sheath …

A

The end of the posterior rectus sheath.

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8
Q

Boundries of the Inguinal canal

A

Ant wall: Ex. Oblique Aponeurosis.

Post Wall: Transversalis fascia

Roof: IO and TA fibers

Floor: inguinal ligament

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9
Q

Deep Inguinal right and superficial inguinal ring pas through what, respectivly?

A

DIR Transversus abdominis

SIR inguinal liagament?

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10
Q

Inguinal triangle

A

Inf: Inguinal ligament

Lat. Inferior epigastric artery and vein

Med. Rectus abdominis

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11
Q

Indirect inguinal hernias (most common)

A

“Tourist route out”

Deep inguinal ring to inguinal canal to superficial inguinal ring to into scrotum

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12
Q

Direct hernia

A

passes directly through the anterior abdominal wall. usually passes through the inguinal triangle. Medial to inferior epigastric BV.

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13
Q

Psoas Major OIAN

A

O: Transveres process of L1-L5 lumbar vertebrae, lateral side of the bodies of T12-L5 and intervertebral discs.

I: Tendon to lesser trochanter of femur.

A: Flexes thigh, flexes vertebral column laterally

N: lumbar ventral rami 1-3 L1 and L2 primary.

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14
Q

Iliacus OIAN

A

O: iliac fossa, anterior sacro iliac ligament, Ala of sacrum.

I: lesser trochanter of the femur

A: Flexes thigh, stabalizes hip,

N: Femoral nerve (L2-L4)

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15
Q

Quadratus Lomborum OIAN

A

O: rib 12 and tip of transvers process of all lumbar vertebrae.

I: Iliolumbar ligament and internal lip of iliac crest

A: Elevates hip and can help with respiration.

N: Ventral rami of T12- L4

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16
Q

What are the borders of the Omental Bursa?

A

Ant: Portal triad

Post: IVC, R crus of the diaphragm

Sup: caudate lobe of liver

Inf: Duodenum and portal triad

17
Q

What organs are retroperitoneal?

A

Duodenum

ascending/descending colon

pancreas

kidney

18
Q

What three things are only found in the large intestine?

A

Teniae coli

Haustra

Omental appendages

19
Q

what are the contents of the pectinate line of the Rectum? (CARD NOT FINISHED)

A

Arteries

  • Superior rectal

Veins

Nerves

20
Q

What are Hemorrhoids?

A
  • Prolapse of rectal plexus
  • can be internal or external
  • pregnancy and constipation can cause this due to increased intraabdominal pressure.
21
Q

Functions of the sleep

A

…Capsule is made of Dense irregular connective tissue

it’s intraperitoneal.

22
Q

Kideny info

A

T12-L3 right kidney is lower than left kideny.

Kidney has it’s own fascia called “Renal Fascia”, which has an anterior an posterior band.

Perirenal fat/perinephros fat

KIdneys ascend from pelvis but sometime get stuck in the inf. mesc. a. resulting in a Horseshoe kidney at L3-L5.

23
Q

Add more referred pain image page 257

A

…

24
Q

Branches of facial nerve

A

Temporal: Facial expression

zygomatic: Facial expression
mandibular: Facial expression
cervical: Facial expression

Chorda Tympani: anterior? 2/3 of the tongue

25
Q

What nerves contain parasympathetic branches?

A

3,7,9.10

26
Q

What are the 4 tonsils?

A

Pharyngeal

Lingual

Palatine

Tubal

27
Q

Where is the superficial epigastric vein?

A

anterior abdominal wall.

Muscles: OIAN (13 decks)

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