Superior oblique muscle

Changed by Craig Hacking, 21 Oct 2017

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The superior oblique muscle is one of the 6 extra-ocular muscles that control eye movements. It abducts, depresses and internally rotates the eye.

Summary

innervation: trochlear nerve (CN IV)
origin: lesser wing of ~~Sphenoid~~sphenoid bone and is outside of Annulus of Zinn located supero-medially.
insertion: globe (posterior, superiolateral surface)
primary function: one of two ocular internal rotators
secondary function: one of the two ocular depressors
tertiary function: one of the three ocular abductors

~~-<strong>origin</strong>: lesser wing of Sphenoid bone and is outside of Annulus of Zinn located supero-medially.</li>~~
+<strong>origin</strong>: <a title="Lesser wing of sphenoid" href="/articles/lesser-wing-of-sphenoid">lesser wing</a> of <a title="Sphenoid bone" href="/articles/sphenoid-bone">sphenoid bone</a> and is outside of <a title="Annulus of Zinn" href="/articles/tendinous-ring">Annulus of Zinn</a> located supero-medially.</li>

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Superior oblique muscle

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Radiopaedia.org