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CMM401/501 Unit 2 Cards > Abdominal Wall - Muscles > Flashcards

Abdominal Wall - Muscles Flashcards

1
Q

What is this structure?

A

Transversus abdominis

Transversus abdominis

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2
Q

Origin of this structure

A
  • Thoracolumbar fascia
  • Iliac crest
  • Costal cartilages 7-12
  • Connective tissue of lateral most inguinal ligament

Transversus abdominis

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3
Q

Insertion of this structure

A
  • Linea alba of rectus sheath,
  • Pubis via conjoint tendon

Transversus abdominis

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4
Q

Innervation of this structure

A

Abdominal portion of intercostal nerves T6-T12

Transversus abdominis

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5
Q

Function of this structure

A
  • Unilateral: rotates trunk to same side.
  • Bilateral: Compresses and supports abdominal cavity

Transversus abdominis

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6
Q

What is this structure?

A

Diaphragm

Diaphragm

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7
Q

Origin of this structure

A
  • Superior border of 12th rib and inferior most costal cartilages
  • Anterior longitudinal ligament on bodies of lower thoracic/upper lumbar vertebrae

Diaphragm

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8
Q

Insertion of this structure

A

Central tendon of diaphragm

Diaphragm

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9
Q

Innervation of this structure

A
  • Phrenic nerve
  • Most peripheral sections via intercostal nerves

Diaphragm

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10
Q

Function of this structure

A

Depresses to enable inspiration

Diaphragm

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11
Q

Where are the openings for different structures?

A
  • Inferior vena cava at level of T8
  • Opening for esophagus at T10
  • Opening for aorta at T12.
  • Mnemonic: I8 10Eggs At12

Diaphragm

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12
Q

What is this structure?

A

Quadratus lumborum

Quadratus lumborum

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13
Q

Origin of this structure

A
  • Inferior border of rib 12
  • Transverse processes of lumbar vertebrae

Quadratus lumborum

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14
Q

Insertion of this structure

A

Iliac crest

Quadratus lumborum

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15
Q

Innervation of this structure

A
  • Subcostal nerve
  • Anterior rami of spinal nerves L1-L4

Quadratus lumborum

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16
Q

Function of this structure

A
  • Extends back
  • Depresses 12th rib during inspiration

Quadratus lumborum

17
Q

What is this structure?

A

Psoas major

Psoas major

18
Q

Origin of this structure

A

Transverse processes and bodies of lumbar vertebrae

Psoas major

19
Q

Insertion of this structure

A

Lesser trochanter of femur

Psoas major

20
Q

Innervation of this structure

A

Anterior rami of spinal nerves L1-L3

Psoas major

21
Q

Function of this structure

A

Flexes the thigh at hip

Psoas major

22
Q

What is this structure?

A

Iliacus

Iliacus

23
Q

Origin of this structure

A

Iliac fossa

Iliacus

24
Q

Insertion of this structure

A

Lesser trochanter of femur

Iliacus

25
Q

Innervation of this structure

A

Femoral nerve

Iliacus

CMM401/501 Unit 2 Cards (4 decks)

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