The roof of the triangle is from superficial to deep skin superficial and deep fascia.
Floor of posterior triangle muscles.
Courses from the hyoid bone en route to the scapula within the pretracheal fascia.
It is split into two bellies by a tendon.
Fascial carpeting of the posterior triangle.
The posterior triangle of the neck contains many muscles which make up the borders and the floor of the area.
Levator scapulae 4 m.
The prevertebral fascia forms the floor of the posterior triangle of the neck figure 26 1c and d.
The semispinalis capitis occasionally splenius capitis levator scapulae and middle scalene and posterior muscles line the floor of the occipital triangle in that craniocaudal order.
Splenius capitis 3 m.
Scalenus posterior 5 m.
The roof is formed by fascia and the floor is formed by the splenius capitus levator scapulae and scalene muscles.
To better expose the floor of the triangle up of the posterior thoracic wall in the 6th and 7th intercostal space a patient is asked to fold their arms across their chest laterally rotating the scapulae while bending forward at the trunk somewhat resembling a fetal position.
The posterior triangle of the neck contains many muscles which make up the borders and the floor of the area.
From superior to inferior 1 m.
The following structures are superficial to the prevertebral tascia.
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.
The lower part of the posterior triangle is crossed.
Interior belly ot the omohyoid muscle.
A significant muscle in the posterior triangle region is the omohyoid muscle.
A significant muscle in the posterior triangle region is the omohyoid muscle.
Semispinalis capitis 2 m.
Typically the triangle of auscultation is covered by the scapula.
It is split into two bellies by a tendon.
The inferior belly crosses the posterior triangle travelling in an supero medial direction and splitting the.
The inferior belly crosses the posterior triangle travelling in an supero medial direction and splitting the.