The mnemonic
Randy Travis Drinks Cold Beer
What each word stands for
- RandyRoots (C5–T1)
- TravisTrunks (upper, middle, lower)
- DrinksDivisions (anterior and posterior)
- ColdCords (lateral, posterior, medial)
- BeerBranches (terminal nerves)
Why it matters clinically
Level of injury predicts the deficit: upper trunk gives Erb's palsy, lower trunk gives Klumpke's.
Where it stops being reliable
Gives only the order. The branches and what each supplies must be learned separately.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.