Ocular Motility Exam 1
The eyeball (cornea, scleral shell, and contents) without its appendages - ANS-Globe
The eyeball, EOMs, connective tissue, fat, and bones - ANS-Orbit
Scleral Shell Remains - ANS-Evisceration
Entire Globe removed - ANS-Enucleation
Everything (EOMs, Scleral Shell, Vitrous, etc) removed - ANS-Exinteration
Which EOMs originate at the common tendinous ring? - ANS-Superior, Inferior, Lateral,
Medial Recti
Which EOM originates at the maxillary bone? - ANS-Inferior Oblique
Which EOM originates at the lesser wing of the sphenoid? - ANS-Superior Oblique
Which EOMs insert on the Anterior portion of the globe? - ANS-The Recti
Which EOMs insert on the posterior portion of the globe? - ANS-The Obliques
Which EOM inserts on the Anterior Lateral Superior globe? - ANS-Superior Rectus
Which EOM inserts on the Anterior Medial globe? - ANS-Medial Rectus
Which EOM inserts on the Anterior Lateral globe? - ANS-Lateral Rectus
Which EOM inserts on the Anterior Inferior Lateral globe? - ANS-Inferior Rectus
Which EOM inserts closest to limbus? - ANS-Medial Rectus
Which EOM inserts on the Posterior Superior Lateral globe? - ANS-Superior Oblique
Which EOM inserts on the Posterior Inferior Lateral globe? - ANS-Inferior Oblique
Which EOM is affected by a Abducens Nerve (CN6) Palsy? - ANS-Lateral Rectus
, Which EOM is affected by an Abducens (CN4) Palsy? - ANS-Superior Oblique
Muscles that work together? - ANS-Agonists
Muscles that oppose each other? - ANS-Antagonists
Which EOM doesn't have a pulley? - ANS-Superior Oblique
Where the muscle first meets the globe? - ANS-Tangential Point
Where the tendons hold onto the globe? - ANS-Arc of contact
At what point is the Superior Rectus a pure elevator? - ANS-23° Abduction
When is the superior rectus a theoretical intorter? - ANS-67° Adduction
When is the Inferior Rectus a pure depressor? - ANS-23° Abduction
When is the Inferior Rectus a Theoretical Extorter? - ANS-67° Adduction
When is the Superior Oblique a pure depressor? - ANS-51° Adduction
When is the superior Oblique a pure Intorter? - ANS-39° Abduction
When is the inferior oblique a pure elevator? - ANS-53° of Adduction
When is the inferior oblique a pure extorter? - ANS-37° Abduction
Circular movement of an object about/around an axis? - ANS-Rotation
The direction an object is facing? - ANS-Orientation
What changes with Rotation? - ANS-Orientation
What changes with Translation? - ANS-Position
Location of an object? - ANS-Position
Linear movement of an object along an axis - ANS-Translation
The eyeball (cornea, scleral shell, and contents) without its appendages - ANS-Globe
The eyeball, EOMs, connective tissue, fat, and bones - ANS-Orbit
Scleral Shell Remains - ANS-Evisceration
Entire Globe removed - ANS-Enucleation
Everything (EOMs, Scleral Shell, Vitrous, etc) removed - ANS-Exinteration
Which EOMs originate at the common tendinous ring? - ANS-Superior, Inferior, Lateral,
Medial Recti
Which EOM originates at the maxillary bone? - ANS-Inferior Oblique
Which EOM originates at the lesser wing of the sphenoid? - ANS-Superior Oblique
Which EOMs insert on the Anterior portion of the globe? - ANS-The Recti
Which EOMs insert on the posterior portion of the globe? - ANS-The Obliques
Which EOM inserts on the Anterior Lateral Superior globe? - ANS-Superior Rectus
Which EOM inserts on the Anterior Medial globe? - ANS-Medial Rectus
Which EOM inserts on the Anterior Lateral globe? - ANS-Lateral Rectus
Which EOM inserts on the Anterior Inferior Lateral globe? - ANS-Inferior Rectus
Which EOM inserts closest to limbus? - ANS-Medial Rectus
Which EOM inserts on the Posterior Superior Lateral globe? - ANS-Superior Oblique
Which EOM inserts on the Posterior Inferior Lateral globe? - ANS-Inferior Oblique
Which EOM is affected by a Abducens Nerve (CN6) Palsy? - ANS-Lateral Rectus
, Which EOM is affected by an Abducens (CN4) Palsy? - ANS-Superior Oblique
Muscles that work together? - ANS-Agonists
Muscles that oppose each other? - ANS-Antagonists
Which EOM doesn't have a pulley? - ANS-Superior Oblique
Where the muscle first meets the globe? - ANS-Tangential Point
Where the tendons hold onto the globe? - ANS-Arc of contact
At what point is the Superior Rectus a pure elevator? - ANS-23° Abduction
When is the superior rectus a theoretical intorter? - ANS-67° Adduction
When is the Inferior Rectus a pure depressor? - ANS-23° Abduction
When is the Inferior Rectus a Theoretical Extorter? - ANS-67° Adduction
When is the Superior Oblique a pure depressor? - ANS-51° Adduction
When is the superior Oblique a pure Intorter? - ANS-39° Abduction
When is the inferior oblique a pure elevator? - ANS-53° of Adduction
When is the inferior oblique a pure extorter? - ANS-37° Abduction
Circular movement of an object about/around an axis? - ANS-Rotation
The direction an object is facing? - ANS-Orientation
What changes with Rotation? - ANS-Orientation
What changes with Translation? - ANS-Position
Location of an object? - ANS-Position
Linear movement of an object along an axis - ANS-Translation
