Abdominal wall Flashcards

1
Q

Name the two parts of the external abdominal oblique

A

pars costalis and pars lumbis

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2
Q

Name the origins and insertions of the external abdominal oblique musclen

A

PC Origin- lateral aspect of ribcage (4-12)
PC Insertion- via abdominal tendon onto linea alba

PL Origin-last rib + lumbar fascia
PL Insertion- pelivic tendon onto pubic brim and iliopsoas fascia

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3
Q

What is the origin and insertio of the internal abdominal oblique

A

Origin: tuber coxae, inguinal ligament, lumber fascia
Insertion: last few ribs, linea alba

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4
Q

What are the actions of the oblique muscles?

A
  • along with other abdominal muscles they compress the abdominal viscera as in defecation etc.
  • suspend and support abdominal viscera
  • lateral bending of the spine
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