EOMs
Learn
Practice Test
Spaced Repetition
Match
Flashcards1/32
There's no tags or description
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced |
|---|
No study sessions yet.
33 Terms
What is the volume of the eye?
30ml
What is the axial length of the orbit?
45-55mm
What is the primary action of the lateral rectus muscle?
Abduction
What is the primary action of the superior oblique muscle?
Intorsion, depression in adducted position
What is the primary action of the superior rectus muscle?
Elevation
What is the primary action of the medial rectus muscle?
Adduction
What is the primary action of the inferior oblique muscle?
Extorsion, elevation in adducted position
What is the primary action of the inferior rectus muscle?
Depression
What nerve innervates the lateral rectus muscle?
6th nerve. VI
What nerve innervates the superior oblique muscle?
4th nerve. IV
What nerve innervates the superior rectus muscle?
3 - superior division
What nerve innervates the medial rectus muscle?
3 - inferior division
What nerve innervates the inferior oblique muscle?
3 - inferior division
What nerve innervates the inferior rectus muscle?
3 - inferior division
Primary action of the orbicularis oculi muscle?
Closes lid
Primary action of the levator palpebrae superioris muscle?
Elevate the lid (to the max)
Primary action of the muller muscle?
Elevate the lid (minimally)
What eye muscle is responsible for abduction?
Lateral rectus
What eye muscle is responsible for intorsion?
Superior oblique
What eye muscle is responsible for depression in adducted position?
Superior oblique
What eye muscle is responsible for elevation?
Superior rectus
What eye muscle is responsible for adduction?
Medial rectus
What eye muscle is responsible for extorsion?
Inferior oblique
What eye muscle is responsible for elevation in the adducted position?
Inferior oblique
What eye muscle is responsible for depression?
Inferior rectus
What eye muscle is responsible for closing the lid
Orbicularis oculi
What eye muscle is responsible for elevating the lid
Both the levator palpebrae superioris and the muller muscle
What muscles originate from the annulus of zinn?
Lateral rectus, inferior rectus, medial rectus, superior rectus
What nerve innervates the orbicularis oculi?
7th nerve VII
What nerve innervates the levator palpebrae superioris?
III superior
What nervous system innervates the muller muscle?
Sympathetic nervous system
Which EOM is the strongest?
Medial rectus
What is the annulus of Zinn?
A tendinous ring at the back of the eye, serves as a site for multiple EOM attachments