Posterior Triangle and Root of Neck

Question 1

What are the borders of the posterior triangle of the neck?

Answer 1

Ant-post border of SCM
post - ant border of trapezius
inf- middle 1/3 of clavicle

Question 2

what is located within the posterior triangle of the neck?

Answer 2

Accessory nerve
3 scalene muscles - ant, post, middle
Trunks of brachial plexus

Question 3

Where is the root of the neck?

Answer 3

Junction between neck and thorax

Question 4

What are the borders of the root of the neck?

Answer 4

Ant- maunbrium
Lat-1st ribs and CC
Post- body of T1

Question 5

What are the structures in the root of the neck?

Answer 5

Left subclavian 
left common carotid arteries 
Brachiocephalic trunk 
thoracic duct
SC veins 
IJ veins 
vagus and phrenic nerves 
symphathetic trunks