They are located on both the left and the right sides of the neck.
Floor of lateral cervical region.
The posterior triangle or lateral cervical region is a region of the neck boundaries.
The muscles in the neck are responsible for the movement of the head in the cervical region in all directions.
The musculature of the neck is comprised of a number of different muscle groups.
From superior to inferior 1 m.
The mandible the internal jugular vein and the clavicle.
In this article we shall look at the anatomy of the anterior triangle of the neck its borders contents and subdivisions.
Anterior posterior border of the sternocleidomastoid.
The is a key landmark of the neck as it divides the anterior cervical region from the lateral cervical region.
This region includes lots of muscles nerves arteries and veins and lymph.
The posterior triangle has the following boundaries.
The posterior triangle of the neck is covered by the investing layer of fascia and the floor is formed by the prevertebral fascia see fascial layers of the neck.
The anterior triangle is a region located at the front of the neck.
Posterior cervical region lateral cervical region anterior cervical region.
Posterior anterior border of the trapezius muscle.
The lateral cervical flap comprising skin fascia and platysma muscle has significant applications in the head and neck region after radical ablative surgery for cancer of the oral cavity.
They can be divided into anterior lateral and posterior groups based on their position in the neck.
They are further divided into more specific groups based on a number of determinants.
As shown in the figure above the region is inferior to the mandible anterior to the internal jugular vein and superior to the clavicle.
It courses posteroinferiorly along the floor of the posterior triangle from the scm and disappears by coursing deep to the which it also.
Its boundaries are as follows.
It is important to note that all triangles mentioned here are paired.
Union of the.
Inferior middle 1 3 of the clavicle.