Legless, definitely. It just stops me doing most sports, but with no arms your life would be much more difficult. Wheelchairs and fake legs are readily available.
But on a more realistic level, I'd rather keep both, please?
Would you rather be armless or legless? Watch
View Poll Results: Would you rather have no arms or no legs?No Arms, I couldn't live with out my legs513.16%No Legs, Life with out arms seems to difficult.2976.32%I'm handicapped and have neither, I'm using my nose to type.410.53%