Anatomy
·Anatomy
Brachial Plexus — Complete Map
⭐ PREMIUM
Roots: C5–T1
Trunks:
• Upper (C5, C6)
• Middle (C7)
• Lower (C8, T1)
Divisions: 6 (anterior + posterior from each trunk)
Cords:
• Lateral — anterior divisions of Upper + Middle
• Posterior — all posterior divisions
• Medial — anterior division of Lower
Terminal Branches (mnemonic: My Aunt Raped My Uncle):
• Musculocutaneous (C5–C7) — Lateral cord
• Axillary (C5, C6) — Posterior cord
•…
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