Muscles Of The Abdominal Wall Flashcards by Lauren kim | Brainscape

Q

Rectus abdominis

A

Origin: Pubis

Insertion: Sternum and Ribs

Action: Flexes and rotates the Vertebrae

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Q

Transversus abdominis

A

Origin: Inguinal ligament, Iliac crest, and Ribs 5-12

Insertion:Linea alba, Sternum, and Pubis

Action: Compressed abdominal contents

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Q

External oblique

A

Origin: Lower 8 Ribs

Insertion: Linea alba and Iliac crest

Action: Flexes the vertebral column

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Q

Internal oblique

A

Origin: Inguinal ligament and ilium

Insertion: Linea alba and Ribs 7-10

Action: Flexes the vertebral column

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Q

Quadratus lumborum

A

Origin: Iliac crest and iliolumbar ligament

Insertion: Ribs 12 and lumbar Vertebrae 1-4

Actions: Flexes the vertebral column laterally

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