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