Nerves of Posterior Triangle

This video describes the important nerves located inside the posterior triangle that include:
1. Spinal accessory nerve that supplies both SCM and Trapezius
2. Cervical Plexus and some of its branches
3. Brachial plexus (Upper, middle and lower trunks) in addition to 2 branches from the upper trunk (suprascapular nerve and nerve to subclavius.