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Download as PDF; Printable version; In other projects ... Eye movement of superior rectus muscle, superior view. ... Eye movement of inferior oblique muscle, superior ...
The superior oblique muscle loops through a pulley-like structure (the trochlea of superior oblique) and inserts into the sclera on the posterotemporal surface of the eyeball. It is the pulley system that gives superior oblique its actions, causing depression of the eyeball despite being inserted on the superior surface. Superior oblique nerve
The body of the superior oblique muscle is located behind the eyeball, but the tendon (redirected by the trochlea) approaches the eyeball from the front. The tendon attaches to the top (superior aspect) of the eyeball at an angle of 51 degrees concerning the primary position of the eye (looking straight forward).
Located in the superior orbital fissure. Innervates the levator palpebrae superioris, superior rectus, medial rectus, inferior rectus, and inferior oblique, which collectively perform most eye movements. Also innervates the sphincter pupillae and the muscles of the ciliary body. IV Trochlear: Motor Dorsal aspect of Midbrain
Incyclotorsion is a term applied to the inward, torsional (rotational) movement of the eye, mediated by the superior oblique muscle of the eye. The superior oblique muscle is innervated by cranial nerve IV (trochlear nerve). Incyclotorsion may also be used to describe one part of the condition of the eye when a patient has an oculomotor nerve palsy
Six of the extraocular muscles, the four recti muscles, and the superior and inferior oblique muscles, control movement of the eye. The other muscle, the levator palpebrae superioris, controls eyelid elevation. The actions of the six muscles responsible for eye movement depend on the position of the eye at the time of muscle contraction. [2]
Download QR code; Print/export Download as PDF; Printable version; In other projects ... Attached to the trochlear fovea is the trochlea of the superior oblique muscle.
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