The suboccipital muscles are a group of muscles defined by their location to the
occiput
The occipital bone () is a cranial dermal bone and the main bone of the occiput (back and lower part of the skull). It is trapezoidal in shape and curved on itself like a shallow dish. The occipital bone overlies the occipital lobes of the cer ...
. Suboccipital muscles are located below the
occipital bone
The occipital bone () is a cranial dermal bone and the main bone of the occiput (back and lower part of the skull). It is trapezoidal in shape and curved on itself like a shallow dish. The occipital bone overlies the occipital lobes of the c ...
. These are four paired muscles on the underside of the occipital bone; the two straight muscles (''rectus'') and the two oblique muscles (''obliquus'').
The muscles are named
*''
Rectus capitis posterior major'' goes from the spinous process of the axis (C2) to the occipital bone.
*''
Rectus capitis posterior minor'' goes from the middle of the posterior arch of the atlas to the occipit.
*''
Obliquus capitis superior'' goes from the transverse process of the atlas to the occiput.
*''
Obliquus capitis inferior'' goes from the spine of the axis vertebra to the transverse process of the atlas.
They are innervated by the
suboccipital nerve.
Additional images
File:Suboccipital muscles - animation01.gif, Position of suboccipital muscles. Animation.
File:Suboccipital muscles - animation04.gif, Close up. Seen from below.
File:Suboccipital muscles09.png, Still image.
See also
*
Suboccipital triangle
The suboccipital triangle is a region of the neck bounded by the following three muscles of the suboccipital group of muscles:
* Rectus capitis posterior major - above and medially
* Obliquus capitis superior - above and laterally
* Obliquus ca ...
Muscles of the head and neck
{{Muscle-stub