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The suboccipital muscles are a group of muscles defined by their location to the occiput.Suboccipital muscles are located below the occipital bone.These are four paired muscles on the underside of the occipital bone; the two straight muscles (rectus) and the two oblique muscles (obliquus).
The superior oblique muscle originates at the back of the orbit (a little closer to the medial rectus, though medial to it), getting rounder as it [5] courses forward to a rigid, cartilaginous pulley, called the trochlea, on the upper, nasal wall of the orbit. The muscle becomes tendinous about 10mm before it passes through the pulley, turning ...
Oblique Superior and inferior 2 1 rectus, inferior: head, eye, orbit (left/right) annulus of Zinn at orbital apex 6.5 mm inferior to corneal limbus: ophthalmic artery: oculomotor nerve [CNIII], inferior branch: adducts and depresses eye: Oblique Superior and inferior 2 1 rectus, medial: head, eye, orbit (left/right) annulus of Zinn at orbital apex
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
Rectus capitis posterior major - above and medially; Obliquus capitis superior - above and laterally; Obliquus capitis inferior - below and laterally (Rectus capitis posterior minor is also in this region but does not form part of the triangle) It is covered by a layer of dense fibro-fatty tissue, situated beneath the semispinalis capitis.
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).
The obliquus capitis superior muscle (/ ə ˈ b l aɪ k w ə s ˈ k æ p ɪ t ɪ s /) is a small [citation needed] muscle in the upper back part of the neck. It is one of the suboccipital muscles . It attaches inferiorly at the transverse process of the atlas (first cervical vertebra) ; it attaches superiorly at the external surface of the ...
Pectoralis major [1] of thigh/femur at hip [2] Tensor fasciae latae; Gluteus generalis; Anterior fibers of Gluteus meralis; Adductor longus and Adductor brevis; of leg at knee [3] Popliteus; Semimembranosus; Semitendinosus; Sartorius; of eyeball (motion is also called "intorsion" or incyclotorsion) [4] Superior rectus muscle; Superior oblique ...