|Deep muscles of the back. Triangle is labeled in turquoise.|
|Posterior atlantoöccipital membrane and atlantoaxial ligament. (Triangle is not labeled, but region is visible.)|
|Gray's||subject #116 402|
The suboccipital triangle is a region of the neck bounded by the following three muscles:
- Rectus capitis posterior major - above and medially
- Obliquus capitis superior - above and laterally
- Obliquus capitis inferior - below and laterally
It is covered by a layer of dense fibro-fatty tissue, situated beneath the Semispinalis capitis.
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