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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.

1 passage

contentuptodate· Content· item f37_58_38827

©2013 UpToDate ® Print Email Actions of extraocular muscles Nerve and muscle Primary action Secondary action Tertiary action Cranial nerve III Superior rectus Elevation (maximal on lateral gaze) Intorsion Adduction Inferior rectus Depression (maximal on lateral gaze) Extorsion Adduction Medial rectus Adduction None None Inferior oblique Excyclotorsion Elevation (maximal on medial gaze) Abduction Cranial nerve IV Superior oblique Incyclotorsion Depression (maximal on medial gaze) Abduction Cranial nerve VI Lateral rectus Abduction None None