| Ab exercises
Here is my dilemma.
I go to the gym at least 4 times a week. I mainly work on my upper body (arms, chest etc) and legs. So I am pretty defined and athletic looking, however I have a bit of a belly. It's not really horribly noticeable, but an area I really want to work on.
I do sit ups like 3 times a week. Usually one set of 50 sit ups in each session. And occasionally briding. But not getting any real results.
What fat burning but muscle building ab exercises do people suggest? How regularly should I do them. etc. I don't really do cardio, would that be the best option?
Thanks for any help | 
