Extraocular Muscles Flashcards
Inferior oblique - Attachments
FROM
*maxilla lateral to the nasolacrimal groove
TO
*inferolateral, posterior aspect of the sclera
Inferior oblique - Actions
elevation, abduction and extorsion of the eye
Inferior oblique - Innervation
inferior ramus of the oculomotor n.
Inferior rectus (L. straight) - Attachments
FROM
*common tendinous ring
TO
*inferior aspect of the sclera
Inferior rectus (L. straight) - Actions
depression, adduction & extorsion of eye
Inferior rectus (L. straight) - Innervation
inferior ramus of the oculomotor n.
Levator palpebrae superioris - Attachments
FROM
*inferior aspect of the lesser wing of the sphenoid
TO
*tarsus and skin of the upper lid
Levator palpebrae superioris - Actions
elevation of the upper lid
Levator palpebrae superioris - Innervations
superior ramus of the oculomotor n.
Medial rectus - Attachments
FROM
*common tendinous ring
TO
*medial aspect of the sclera
Medial rectus - Actions
adduction of the eye
Medial rectus - Innervation
inferior ramus of the oculomotor n.
Superior rectus - Attachments
FROM
*common tendinous ring
TO
*superior aspect of the sclera
Superior rectus - Actions
elevation, adduction & intorsion of the eye
Superior rectus - Innervation
superior ramus of the oculomotor n.
Lateral rectus - Attachments
FROM
*common tendinous ring
TO
*lateral aspect of the sclera
Lateral rectus - Actions
abduction of the eye
Lateral rectus - Innervation
abducens n.
Superior oblique - Attachments
FROM
*superomedial, posterior aspect of the orbit
TO
*superolateral, posterior aspect of the sclera passing around the trochlea (superomedial, anterior aspect of the orbit)
Superior oblique - Actions
depression, abduction, & intorsion of the eye
Superior oblique - Innervation
trochlear n.
