Does running help punching endurance?

[AdamGB]

You could swing your arms a lot faster and harder when your running, that might help, or you could get some wrist weights and run wearing them. But normal running won't do too much for arm endurance otherwise.

Its nothing to do with working your arms out, its how efficiently your body can supply energy to the muscles which whilst you punch (which isn't just the arms any way, the legs play a larger part of making the punch, all teh arms do is deliver it )