Superior Nuchal Line

Nerve Supply edit edit source Lateral branches of the posterior rami of the middle and lower cervical spinal nerves. Posterolaterally the epicranial aponeurosis attachment extends from the superior nuchal line to the superior temporal line.

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Mastoid process of the skull.

Superior nuchal line. Watch a video of the Zygomatic Arch Study AreaPre-Lab Videos. The sacrum is a triangular-shaped bone that is thick and wide across its superior base where it is weight bearing and then tapers down to. The inion ἰνίον iníon Greek for the occipital bone is used as a landmark in the 10-20 system in electroencephalography EEG recording.

Originates from the transverse process of C1 and attaches into the occipital bone between the superior and inferior nuchal lines. The axial shoulder view is a supplementary projection to the lateral scapula view for obtaining orthogonal images to the AP shoulder. Blood Supply edit edit source Muscular.

6 of cases most on the left. From the anterior border of the nuchal ligament a fibrous lamina is given off. A sharp slender or narrow process.

The nuchal plane is rough and irregular to attach to several muscles including the muscles of. There are two curved lines on each side. The obliquus capitis superior is located laterally in the suboccipital compartment.

A slightly raised elongated ridge. Laterally the epicranial aponeurosis continues as. The infraspinatus is a thick triangular muscle that occupies much of the infraspinous fossa of the scapula.

A projection superior to a condye. Spine of the scapula. The nuchal ligament extends from the external occipital protuberance on the skull and median nuchal line to the spinous process of the seventh cervical vertebra in the lower part of the neck.

The origin of the vertebral arteries is usually from the posterior superior part of the subclavian arteries bilaterally although the origin can be variable. There is also a middle line running through the nuchal plane called the inferior nuchal line. The nuchal ligament and trapezius muscle attach to it.

Extending laterally from it on either side is the superior nuchal line and above it is the faintly marked highest nuchal line. The epicranial aponeurosis is a thin tendinous structure that provides an insertion site for the occipitofrontalis muscle. The VA is normally 3-5 mm in diameter and the ostium is the most common site of stenosis.

Mental protuberance of the chin. The articular processes are large with the superior process facing backward and the inferior facing forward. A bony outgrowth or protruding part.

Medial epicondyle of the femur. The highest nuchal line and the superior nuchal line. These muscles contribute to help form the glenohumeral joint which aids in shoulder joint motion and stability.

It is a member of the rotator cuff commonly remembered by the mnemonic SITS supraspinatus infraspinatus teres minor subscapularis. These muscles allow the shoulder. Superior nuchal line mastoid process of temporal bone and rough surface adjoining occipital bone.

Obliquus Capitis Superior. This is attached to the posterior tubercle of the atlas and to the spinous processes of the cervical vertebrae. Nuchal lines of the skull.

It is an appropriate projection to assess suspected dislocations proximal humerus pathology and glenohumeral articular surface abnormalities 1-3. Superior nuchal line b Foramen spinosum Figure 92 Inferior view of the skull mandible removed. Extension of the head.

Brachiocephalic artery on the right aortic arch. Suboccipital nerve posterior ramus of C1. The Axial Skeleton 125 9 Frontal bone Cribriform foramina Lesser wing Sphenoid Anterior cranial fossa Hypophyseal fossa of sella turcica Middle cranial fossa.

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Atlas And Text Book Of Human Anatomy Anatomy Atlases Planum Occipitaie Exlemat Occipital Proluberanct Linea Nuchas Suprcma J Iinum Nuchale Superior Nuchal Line Squama Occipitalis Inferior Nuchal Line Condyloid