Floor Of Posterior Triangle Of Neck

The anterior triangle and the posterior triangle of the neck each of them containing a few subdivisions.

Floor of posterior triangle of neck.

The floor of occipital triangle is formed from above downward by. Levator scapulae 4 m. The roof is formed by fascia and the floor is formed by the splenius capitus levator scapulae and scalene muscles. Scalenus posterior 5 m.

7690981229 for any query tell me in. Like comment share subscribe all tcml hand written notes and chart available on tcml facebook page. A significant muscle in the posterior triangle region is the omohyoid muscle. A significant muscle in the posterior triangle region is the omohyoid muscle.

The sternocleidomastoid muscle divides the neck into the two major neck triangles. Splenius capitis 3 m. It is split into two bellies by a tendon. It is split into two bellies by a tendon.

Indeed the posterior triangle forms the root of the upper limb. Interior belly ot the omohyoid muscle. 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. It is subdivided by the diagonally placed inferior belly of the omohyoid.

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. From superior to inferior 1 m. 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. The triangles of the neck are the topographic areas of the neck bounded by the neck muscles.

Courses from the hyoid bone en route to the scapula within the pretracheal fascia. The posterior triangle of the neck contains many muscles which make up the borders and the floor of the area. The following structures are superficial to the prevertebral tascia. The triangles of the neck are important because of their contents as they house all the neck structures.

The prevertebral fascia forms the floor of the posterior triangle of the neck figure 26 1c and d. 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. Therefore pus in the posterior triangle deep to prevertebral fascia arising from tubercular cervical vertebra may track downwards and laterally along the.