Floor Of Posterior Triangle Of Neck

Interior belly ot the omohyoid muscle.

Floor of posterior triangle of neck.

The posterior triangle is crossed about 2 5 cm above the clavicle by the inferior belly of the omohyoid muscle which divides the space into two triangles. It is bounded in front by the posterior border of sternocleidomastoid behind by the anterior border of trapezius and below by the inferior belly of omohyoid. It is split into two bellies by a tendon. Like comment share subscribe all tcml hand written notes and chart available on tcml facebook page.

From superior to inferior 1 m. The anterior triangle and the posterior triangle of the neck each of them containing a few subdivisions. The posterior triangle is bounded by the scm trapezius and middle third of the clavicle with a muscular floor formed by the lateral deep cervical muscles. The triangles of the neck are important because of their contents as they house all the neck structures.

The posterior triangle of the neck contains many muscles which make up the borders and the floor of the area. The sternocleidomastoid muscle divides the neck into the two major neck triangles. 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.

Levator scapulae 4 m. The prevertebral fascia forms the floor of the posterior triangle of the neck figure 26 1c and d. Therefore pus in the posterior triangle deep to prevertebral fascia arising from tubercular cervical vertebra may track downwards and laterally along the. The floor of occipital triangle is formed from above downward by.

It is split into two bellies by a tendon. The following structures are superficial to the prevertebral tascia. It is subdivided by the diagonally placed inferior belly of the omohyoid. Splenius capitis 3 m.

7690981229 for any query tell me in. The posterior triangle of the neck contains many muscles which make up the borders and the floor of the area. The triangles of the neck are the topographic areas of the neck bounded by the neck muscles. Semispinalis capitis 2 m.

Scalenus posterior 5 m. Indeed the posterior triangle forms the root of the upper limb. The muscular floor of posterior triangle is covered by prevertebral fascia which extends around the brachial plexus and axillary artery continuation of subclavian artery as axillary sheath.