Posterior Triangle Of Neck Boundaries

The triangles of the neck are the topographic areas of the neck bounded by the neck muscles.
Posterior triangle of neck boundaries. Boundaries the posterior triangle of neck is bounded by some structures that separates from other cervical regions triangles as the case may be. Inferiorly the base is formed by the middle third of the clavicle. The posterior triangle is bounded. The anterior triangle and the posterior triangle of the neck each of them containing a few subdivisions.
The posterior margin is clearly marked by the anterior edge of the trapezius muscle and the upper boundary is defined by the exit of the spinal accessory nerve toward the trapezius muscle. The posterior triangle has the following boundaries. Middle one third of the clavicle. The sternocleidomastoid muscle divides the neck region into posterior and anterior triangles.
Posterioly by the anterior border of trapezius muscle. The transverse cervical vessels and the omohyoid muscle constitute important anatomical landmarks within this area. The posterior triangle of neck is an anatomical area located in the lateral aspect of the neck between the sternocleidomastoid muscle trapezius muscles and 1 3 of clavicle bone. The neck region is divided into triangles to compartmentalize the contents.
Inferior middle 1 3 of the clavicle. Posterior anterior border of the trapezius muscle. The roof is formed by fascia and the floor is formed by the splenius capitus levator scapulae and scalene muscles. The posterior triangle of the neck is located on the lateral aspect of the neck.
Posterior border of the sternocleidomastoideus. 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 s ternocleidomastoid muscle divides the neck into the two major neck triangles. Anteriorly by posterior border of sternocleidomastoid muscle.
Union of the sternocleidomastoid and the trapezius muscles at the superior nuchal line of the occipital bone.