Muscles of the Orbit Flashcards
To understand the action , insertion, and origin point of the eye muscles
Inferior rectus makes the eye do what action?
Eye looks inferiorly (looks down)
Medial rectus makes the eye do what action?
Eye looks medially (looks toward the nose)
Superior rectus makes the eye do what action?
Eyes look superiorly (looks up)
Lateral rectus makes the eye do what action?
Eye looks laterally (looks toward the ear)
Inferior oblique makes the eye do what action?
Eye looks superiorly and laterally (eye rolls)
Superior oblique makes the eye do what action?
Looks inferiorly and laterally (eye rolls)
Where is the insertion of the inferior rectus?
Inferior, medial surface of eyeball
Where is the insertion of the medial rectus?
Medial surface of eyeball
Where is the insertion of the Superior rectus?
Superior surface of the eyeball
Where is the insertion of the lateral rectus?
Lateral surface of the eyeball
Where is the insertion of the inferior oblique?
Inferior, lateral surface of eyeball
Where is the insertion of the superior oblique?
Superior, lateral surface of eyeball
Where is the ORIGIN of the inferior oblique?
Maxillary bone at anterior portion of orbit
Where is the ORIGIN of the superior oblique?
Sphenoid around optic canal
Where is the ORIGIN of the Inferior, medial, superior, and lateral rectus?
Sphenoid around optic canal
