Corpus: Obliquus capitis inferior muscle: Unterschied zwischen den Versionen

Version vom 5. August 2024, 12:46 Uhr

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Definition

The obliquus capitis inferior muscle is a skeletal muscle located in the neck and is part of the autochthonous back musculature.

Course

The obliquus capitis inferior muscle originates from the spinous process of the axis (the 2nd cervical vertebra). It follows an oblique upward course to attach to the transverse process of the atlas (the 1st cervical vertebra).

Innervation

This muscle is innervated by lateral branches of the posterior rami of the spinal nerves from segments C1 and C2. The dorsal ramus of the first spinal nerve is specifically known as the suboccipital nerve.

Function

The obliquus capitis inferior muscle functions to rotate the atlas (and consequently the head) to the same side when contracted unilaterally, affecting the movement of the atlantooccipital joint.

See also: Back muscles

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 ==Definition==
-The '''obliquus capitis inferior muscle''' is a skeletal muscle located on the neck. It belongs to the autochthonous back musculature.<dcembed ratio="16x9"><dcEmbedUrl src="https://www.doccheck.com/de/detail/photos/42938-musculus-obliquus-capitis-inferior"></dcEmbedUrl>
+The '''obliquus capitis inferior muscle''' is a [[Corpus:Muscle|skeletal muscle]] located in the [[Corpus:Neck|neck]] and is part of the [[Corpus:Autochthonous back musculature|autochthonous back musculature]].<dcembed ratio="16x9"><dcEmbedUrl src="https://www.doccheck.com/de/detail/photos/42938-musculus-obliquus-capitis-inferior"></dcEmbedUrl>
 <dcEmbedUrl src="https://www.doccheck.com/de/detail/photos/42920-musculus-obliquus-capitis-inferior"></dcEmbedUrl></dcembed>
 ==Course==
-The area of origin of the obliquus capitis inferior muscle is the ''processus spinosus'' of the axis (2nd cervical vertebra). Following an oblique cranial course, the muscle attaches to the transverse process of the atlas (1st cervical vertebra).
+The obliquus capitis inferior muscle originates from the [[Corpus:Spinous process|spinous process]] of the [[Corpus:Axis|axis]] (the 2nd cervical vertebra). It follows an oblique upward course to attach to the [[Corpus:Transverse process|transverse process]] of the [[Corpus:Atlas|atlas]] (the 1st cervical vertebra).
 <dcembed><dcembedurlskatchfab src="https://sketchfab.com/3d-models/3f78860144284275a817e270e4b33792" ui_controls="1"></dcembedurlskatchfab></dcembed>
 ==Innervation==
-The oblique muscle is innervated by lateral branches of the posterior rami from the spinal nerves of spinal cord segments C1 and C2. The dorsal ramus of the first spinal nerve is also called the suboccipital nerve.
+This muscle is innervated by lateral branches of the [[Corpus:Posterior rami|posterior rami]] of the [[Corpus:Spinal nerve|spinal nerves]] from segments C1 and C2. The dorsal ramus of the first spinal nerve is specifically known as the [[Corpus:Suboccipital nerve|suboccipital nerve]].
 ==Function==
-The obliquus capitis inferior muscle rotates the atlas to the same side when contracted on one side. This also turns the head to the same side (displacement of the atlantooccipital joint).
+The obliquus capitis inferior muscle functions to rotate the atlas (and consequently the head) to the same side when contracted unilaterally, affecting the movement of the [[Corpus:Atlantooccipital joint|atlantooccipital joint]].
 <dcembed ratio="16x9"><dcembedurl src="https://www.doccheck.com/de/detail/videos/3600-musculus-obliquus-capitis-inferior"></dcembedurl></dcembed>