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. Middle one third of the clavicle. Anterior border of the trapezius. 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.
Interior belly ot the omohyoid muscle. Courses from the hyoid bone en route to the scapula within the pretracheal fascia. It creates axillary sheath around subclavian artery and brachial plexus going from the root of the neck to the upper limb. The following structures are superficial to the prevertebral tascia.
The roof is formed by fascia and the floor is formed by the splenius capitus levator scapulae and scalene muscles. A significant muscle in the posterior triangle region is the omohyoid muscle. Posterior border of the sternocleidomastoideus. 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. Union of the sternocleidomastoid and the trapezius muscles at the superior nuchal line of the occipital bone. 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.