Brachial Plexus Memorization Trick for Spinal Root Levels

I show how to use the mnemonic “3 musketeers assassinated 5 rats, 5 mice, and 2 unicorns”, along with a hand, to quickly determine which spinal level roots correspond to which nerves of the brachial plexus.

[Baldwinthefourth-]

So, the brachial plexus drawing itself is not accurate. Becuase I would imagine that based on it, Radial would only be C7 and same with Axillary. This is news to me, but thank you for posting !