It is split into two bellies by a tendon.
Muscles of the floor of the posterior triangle of the neck.
The borders of the posterior triangle of the neck are formed by the trapezius muscle posteriorly the sternocleidomastoid muscle anteriorly and the omohyoid muscle inferiorly.
The prevertebral fascia forms the floor of the posterior triangle of the neck figure 26 1c and d.
Interior belly ot the omohyoid muscle.
Courses from the hyoid bone en route to the scapula within the pretracheal fascia.
The roof is formed by fascia and the floor is formed by the splenius capitus levator scapulae and scalene muscles.
Posterior border of the sternocleidomastoideus.
The muscular floor of posterior triangle is covered by prevertebral layer of deep cervical fascia which creates the fascial carpeting of the floor of the posterior triangle.
It is split into two bellies by a tendon.
Union of the sternocleidomastoid and the trapezius muscles at the superior nuchal line of the occipital bone.
The posterior triangle of the neck contains many muscles which make up the borders and the floor of the area.
A significant muscle in the posterior triangle region is the omohyoid muscle.
Anterior border of the trapezius.
A significant muscle in the posterior triangle region is the omohyoid muscle.
The following structures are superficial to the prevertebral tascia.
The posterior triangle has the following boundaries.