Muscles Origin/ Insertion Flashcards

1
Q

External oblique

A

O: External ribs

I: linea alba, pubic tubercle, anterior half of iliac crest

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2
Q

Internal oblique

A

O: Thoracolumbar fascia, anterior 2/3 iliac crest, lateral half of inguinal ligament

I: Ribs, linea alba, pubis via conjoint tendon

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3
Q

Pyrimidalis

A

O: body of pubis, anterior to rectus abdomens

I: linea alba

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4
Q

Rectus abdominis

A

O: pubic symphysis, pubic crest

I: xiphoid process, costal cartilage

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5
Q

Transverse abdominis

A

O: internal costal cartilages, thoracolumbar fascia, iliac crest, lateral third of inguinal ligament

I: linea alba

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6
Q

Iliacus

A

O: 2/3 iliac fossa, anterior sacro-iliac ligaments

I: lesser trochanter

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7
Q

Psoas major

A

O: Lumbar vertebrae

I: lesser trochanter

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8
Q

Psoas minor

A

O: T12-L5

I: Pectineal line

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9
Q

Quadratus lumborum

A

O: inferior border of 12th rib

I: iliolumbar ligament, interal lip of iliac crest

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