Muscles of the Abdominal Wall Flashcards

1
Q

anterolateral wall of abdomen

A
  • sheets of muscles
  • antagonistic muscles
  • hold organs in place
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2
Q

external oblique

A

superficial, lateral muscle; fibers directed inferomedially, twisting movement, fibers run down and towards midline

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3
Q

internal oblique

A

deep to external oblique; fibers directed superomedially, run at opposite angle

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4
Q

transverse abdominis

A

deepest of lateral muscles; fibers directed horizontally

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5
Q

rectus abdominis

A

long, anterior muscle connecting sternum to pubic bone; divided into four muscle segments, straight up and down, sit up

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