Quote Originally Posted by hitmandonny
No i don't think its a good idea as you neglect technique, you may strain muscle tissue and generally i don't think it's good for mentality.
I've tried doing pushups until failure but it tires me out and gets my chest muscles feeling all stiff. I feel that it slows me down when I'm throwing punches.

However, I don't think it hurts to do pullups/chinups until failure.