Muscles Of The External Abdominal Region Flashcards by Joshua Dillon | Brainscape

Q

External Abdominal Oblique

A

Origin: Lower 8 ribs

Insertion: Linea alba

ACTION: Compression of abdomen

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Q

Internal Abdominal Oblique

A

Origin: Inguinal ligament, iliac crest, lumbodorsal fascia

Insertion: Linea alba

ACTION: Compression of abdomen

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Q

Transversus Abdominus

A

Origin: Inguinal ligament, iliac crest, lumbodorsal fascia, lower 6 ribs

Insertion: Linea alba

ACTION: Compression of abdomen

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Q

Rectus Abdominus

A

Origin: Crest of pubis

Insertion: Xiphoid process & costal cartilages

ACTION: Trunk flexion; compression of abdomen

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