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Superior oblique
Other Terms:
Obliquus superior,
Musculus obliquus superior bulbi,
Musculus obliquus superior,
Muscle trochléaire
Muscle parts
None
Latin name
Musculus obliquus superior
Latin muscle parts
None
Group
Head somite muscle – pre-otic group (Extra-ocular muscle)
Etymology
The English name for this muscle is the lower slanting muscle (of the eye). The Latin term obliquus means slanting or sideways and describes its orientation. The Latin word superior comes from super meaning “over or above.”
Origin
Sphenoid bone superior and medial to the optic canal
Insertion
Passes through a trochlear loop to the superolateral surface of the sclera in the posterior half
Action
Depresses, abducts, and intorts the eye.
Nerve supply
Trochlear nerve (Cranial nerve IV)
Blood supply
Muscular branches of the ophthalmic artery via the internal carotid artery.
Latin
Musculus obliquus superior bulbi
Latin
Musculus obliquus superior
French
Muscle trochléaire
