The suboccipital triangle floor is deep to the muscular triangle i e.
Floor of occipital triangle.
Posterior atlanto occiptal membrane and posterior arch of the c1 vertebrae atlas cutaneous innervation over the triangle.
Suboccipital muscles and contents of the suboccipital triangle.
The semispinalis capitis occasionally splenius capitis levator scapulae and middle scalene and posterior muscles line the floor of the occipital triangle in that craniocaudal order.
Its floor is formed from above downward by the splenius capitis levator scapulæ and the scalenus medius and posterior.
This ligament is broad and extends from the posterior margin of the foramen magnum to the posterior arch of atlas.
The occipital triangle the larger division of the posterior triangle is bounded in front by the sternocleidomastoideus.
It is covered by the skin the superficial and deep fasciæ and by the platysma below.
The roof of the triangle is from superficial to deep skin superficial and deep fascia.
Floor roof of the suboccipital triangle.
The suboccipital triangle has three boundaries contained between a floor and roof.
Prevertebral fascia covering the floor of the posterior triangle.
Behind by the trapezius.
Floor posterior arch of atlas and posterior atlantooccipital membrane ligament.
Greater occipital nerve c2 dorsal ramus upper back of the skull.
Lesser occipital nerve cervical plexus lateral part of the back of the skull.
Below by the omohyoideus.