EYE MUSCLE LIST Flashcards by Kayla Kruger | Brainscape

Q

actions of lateral rectus

A

abducts the eyeball (move outwards)

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Q

actions of the medial rectus

A

adducts the eyeball (moves inwards)

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Q

actions of the superior rectus

A

elevates, intorsion and rotates medially the eye

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Q

actions of the inferior rectus

A

depression and abduction

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Q

actions of the superior oblique

A

intorsion, also abducts and depresses eyeball

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Q

origins of the lateral rectus

A

annulus of zinn

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Q

origins of the medial rectus

A

annulus of zinn

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Q

origins of the superior rectus

A

annulus of zinn

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Q

origins of the inferior rectus

A

annulus of zinn

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Q

origins of the inferior oblique

A

orbital surface of maxilla, lateral to lacrimal groove

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Q

origins of superior oblique

A

annulus of zinn

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Q

insertions of lateral rectus

A

7 mm temporal to limbus

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Q

insertions of the medial rectus

A

5.5 mm medial to the limbus

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Q

insertions of the superior rectus

A

7.5 mm superior to limbus

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Q

insertions of the inferior rectus

A

6.5 mm inferior to limbus

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Q

insertions of the inferior oblique

A

laterally onto eyeball, deep into lateral rectus, via short flat tendon

Q

insertions of superior oblique

A

outer posterior quadrant of eyeball

Q

actions of the inferior oblique

A

extorsion, elevation, abduction