The mnemonic
STAR
What each word stands for
- SSubscapular nerves (upper and lower)
- TThoracodorsal nerve
- AAxillary nerve
- RRadial nerve
Why it matters clinically
Posterior cord injury causes weakness of the deltoid, triceps and wrist and finger extensors.
Where it stops being reliable
Does not list the cords' other branches; lateral and medial cord branches need their own recall.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.