|
Actions
of extraocular muscles
|
Nerve
and muscle
|
Primary
action
|
Secondary
action
|
Tertiary
action
|
|
Cranial
nerve III
|
|
Superior
rectus
|
Elevation
(maximal on lateral gaze)
|
Intorsion
|
Adduction
|
|
Inferior
rectus
|
Depression
(maximal on lateral gaze)
|
Extorsion
|
Adduction
|
|
Medial
rectus
|
Adduction
|
None
|
None
|
|
Inferior
oblique
|
Excyclotorsion
|
Elevation
(maximal on medial gaze)
|
Abduction
|
|
Cranial
nerve IV
|
|
Superior
oblique
|
Incyclotorsion
|
Depression
(maximal on medial gaze)
|
Abduction
|
|
Cranial
nerve VI
|
|
Lateral
rectus
|
Abduction
|
None
|
None
|
|
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