<P> Below is a table of each of the extraocular muscles and their innervation, origins and insertions, and the primary actions of the muscles (the secondary and tertiary actions are also included, where applicable). </P> <Table> <Tr> <Th> Muscle </Th> <Th> Innervation </Th> <Th> Origin </Th> <Th> Insertion </Th> <Th> Primary action </Th> <Th> Secondary action </Th> <Th> Tertiary action </Th> </Tr> <Tr> <Td> Medial rectus </Td> <Td> Oculomotor nerve (inferior branch) </Td> <Td> Annulus of Zinn </Td> <Td> Eye (anterior, medial surface) </Td> <Td> Adduction </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Lateral rectus </Td> <Td> Abducens nerve </Td> <Td> Annulus of Zinn </Td> <Td> Eye (anterior, lateral surface) </Td> <Td> Abduction </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Superior rectus </Td> <Td> Oculomotor nerve (superior branch) </Td> <Td> Annulus of Zinn </Td> <Td> Eye (anterior, superior surface) </Td> <Td> Elevation </Td> <Td> Incyclotorsion </Td> <Td> Adduction </Td> </Tr> <Tr> <Td> Inferior rectus </Td> <Td> Oculomotor nerve (inferior branch) </Td> <Td> Annulus of Zinn </Td> <Td> Eye (anterior, inferior surface) </Td> <Td> Depression </Td> <Td> Excyclotorsion </Td> <Td> Adduction </Td> </Tr> <Tr> <Td> Superior oblique </Td> <Td> Trochlear nerve </Td> <Td> Sphenoid bone via the Trochlea </Td> <Td> Eye (posterior, superior, lateral surface) </Td> <Td> Incyclotorsion </Td> <Td> Depression </Td> <Td> Abduction </Td> </Tr> <Tr> <Td> Inferior oblique </Td> <Td> Oculomotor nerve (inferior branch) </Td> <Td> Maxillary bone </Td> <Td> Eye (posterior, inferior, lateral surface) </Td> <Td> Excyclotorsion </Td> <Td> Elevation </Td> <Td> Abduction </Td> </Tr> <Tr> <Td> Levator palpebrae superioris </Td> <Td> Oculomotor nerve </Td> <Td> Sphenoid bone </Td> <Td> Tarsal plate of upper eyelid </Td> <Td> Elevation / retraction <P> of the upper eyelid </P> </Td> <Td> </Td> <Td> </Td> </Tr> </Table> <Tr> <Th> Muscle </Th> <Th> Innervation </Th> <Th> Origin </Th> <Th> Insertion </Th> <Th> Primary action </Th> <Th> Secondary action </Th> <Th> Tertiary action </Th> </Tr> <Tr> <Td> Medial rectus </Td> <Td> Oculomotor nerve (inferior branch) </Td> <Td> Annulus of Zinn </Td> <Td> Eye (anterior, medial surface) </Td> <Td> Adduction </Td> <Td> </Td> <Td> </Td> </Tr>

What is the function of the muscles attached to the eye