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MS 2 > Lecture 17: Muscles of the Antero Lateral Abdominal Wall ORGINS > Flashcards

Lecture 17: Muscles of the Antero Lateral Abdominal Wall ORGINS Flashcards

1
Q

What is the origin of External Obliques?

A

Lower 8 ribs

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2
Q

What is the origin of Internal Obliques?

A

Thoracolumbar fascia
Anterior 2/3 of the iliac crest
lateral 2/3 of the inguinal ligament

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3
Q

What is the origin of Transverse Abdominals?

A

Inner surface of lower 6 costal cartilages (ribs 7-12)
Thoracolumbar fascia
Anterior 2/3 of the iliac crest
Lateral 1/3 of the inguinal ligament

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4
Q

What is the origin of Rectus Abdominus?

A

Pubic Crest
Pubic Symphysis

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5
Q

What is the origin of pyramidalis?

A

Anterior surface of pubis
pubic symphysis

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6
Q

What is the origin of the diaphragm?

A

Xiphoid process
lower 6 ribs and costal cartilages and L1-L3 (inner surfaces)

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7
Q

What is the origin of External Intercostals?

A

Inferior border of rib above

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8
Q

What is the origin of Internal Intercostals?

A

Superior border of rib below

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9
Q

What is the origin of Innermost Intercostals?

A

Adjacent ribs (located in lateral curve of ribcage)

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MS 2 (30 decks)

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