Muscles Of The Floor Of The Posterior Triangle Of The Neck

The prevertebral fascia forms the floor of the posterior triangle of the neck figure 26 1c and d.

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. It is split into two bellies by a tendon. The posterior triangle has the following boundaries. Middle one third of the clavicle.

It creates axillary sheath around subclavian artery and brachial plexus going from the root of the neck to the upper limb. A significant muscle in the posterior triangle region is the omohyoid muscle. The following structures are superficial to the prevertebral tascia. 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.

The posterior triangle of the neck contains many muscles which make up the borders and the floor of the area. Union of the sternocleidomastoid and the trapezius muscles at the superior nuchal line of the occipital bone. Posterior border of the sternocleidomastoideus. Anterior border of the trapezius.

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. Courses from the hyoid bone en route to the scapula within the pretracheal fascia.