Cervical plexus consist of vertebral levels…
Anterior rami of C1-4
Supraclavicular Nerve
C3 &C4, branches into lateral, middle and medial, cutaneous innervation to neck y shoulder
Brachial plexus vertebral levels
C5-T1
Roots of BP nerves
Dorsal scapular(c5), Long thoracic n(c5-7),
Trunks of BP
Superior-middle-inferior; Suprascapular(c5-6), Subclavian c5-6)