Extraocular Muscles Flashcards

1
Q

How does the medial rectus primarily move?

A

Adducts

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2
Q

How does the lateral rectus primarily move?

A

Abducts

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3
Q

How does the inferior rectus primarily move?

A

Depresses

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4
Q

How does the superior rectus primarily move?

A

Elevates

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5
Q

How does the inferior oblique primarily move?

A

Extorsion

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6
Q

How does the superior oblique primarily move?

A

Intorsion

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7
Q

What is the secondary movement of the inferior rectus?

A

Extorsion

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8
Q

What is the secondary movement of the superior rectus?

A

Intorsion

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9
Q

What is the overall movement of the superior oblique muscle?

A

‘Down and out’

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10
Q

What is the overall movement of the superior rectus?

A

‘Up and in’

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11
Q

What is the secondary movement of the inferior oblique?

A

Elevation

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12
Q

What is the secondary movement of the superior oblique?

A

Depression

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13
Q

What is the tertiary movement of the inferior oblique?

A

Abduction

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14
Q

What is the tertiary movement of the superior oblique?

A

Abduction

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15
Q

What movement do the oblique muscles have in common?

A

Abduction

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16
Q

What is the tertiary movement of the inferior rectus muscle?

A

Adduction

17
Q

What is the tertiary movement of the superior rectus muscle?

A

Adduction

18
Q

What movement do the superior and inferior rectus muscles have in common?

A

Adduction

19
Q

What extra ocular muscles are capable of adduction (regardless of if it’s the primary movement)?

A

Medial rectus
Inferior rectus
Superior rectus

20
Q

What extraocular muscles are capable of abduction (regardless of if it’s the primary movement)?

A

Inferior rectus
Superior oblique
Inferior oblique

21
Q

What extra ocular muscles are capable of extorsion (Regardless of primary movement)?

A

Inferior rectus

Inferior oblique

22
Q

What extra ocular muscles are capable of intorsion (Regardless of primary movement)?

A

Superior rectus

Superior oblique

23
Q

What extra ocular muscles are capable of depression (Regardless of primary movement)?

A

Inferior rectus

Superior oblique

24
Q

What extra ocular muscles are capable of elevation (Regardless of primary movement)?

A

Superior rectus

Inferior oblique