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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).
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]
Six extraocular muscles facilitate eye movement. These muscles arise from the common tendinous ring (annulus of Zinn) in the orbit (eye cavity), and attach to the eyeball. The six muscles are the lateral, medial, inferior and superior recti muscles, and the inferior and superior oblique muscles. The muscles cause movement of the eyeball by ...
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.
The superior oblique muscle is one of the six extraocular muscles that allow movement of eye. Specifically, the superior oblique muscle primarily intorts the eye (such that the top of the eye rolls toward the nose), with secondary actions of depression (downgaze) and abduction (looking away from the nose). When this muscle's function is ...
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