Brachial Plexus- Branches of Root
1. Dorsal scapular nerve C4, C5 rhomboid muscles and levator scapulae - 2. long thoracic nerve C5, C6, C7 serratus anterior - 3. branch to phrenic nerve C3, C4, C5 Diaphragm 4. Branch to Longus Coli and Scalene Muscles