For the dissection of the posterior triangle, you should find:
Muscles
platysma
trapezius
sternocleidomastoid
omohyoid
anterior scalene
middle scalene
Nerves
spinal accessory nerve
great auricular nerve
lesser occipital nerve
one or more supraclaviculars - lateral, intermediate, medial branches
roots of the brachial plexus
suprascapular nerve
long thoracic nerve
Arteries and Veins
external jugular vein
transverse cervical artery
suprascapular artery
subclavian artery and vein
axillary artery and vein
On the skeleton, find:
mandible
clavicle
mastoid process of temporal bone
John A. McNulty, Ph.D.
Last Updated: Feb 28, 1998
Created: Jan 24, 1997