How many times have you been asked the best way to develop a six-pack? If you’re like me I always chuckle a little and inform the inquisitor that he or she already has a six-pack – the problem is that it’s usually being stored in a cooler. I go on to inform him or her that core training requires a lot more work than one or two exercises and that I can help them move toward their goals, but it will require some commitment on their part.

The weather's warming up, so you and your clients may be wondering how to get chiseled abs. Author of "Abs Revealed" and ACE Senior Consultant Personal Training, Jonathan Ross, knows exactly how to work all your abs — not just the main ones. In this video series, Ross shares six innovative ab exercises, including two never-before seen ones shared exclusively for ACE's readers.

Core training is one of the most popular and often misused phrases in the fitness world today. For some people, core training means doing crunches until their abs cramp. For others, core training means doing all sorts of complicated moves on various pieces of equipment that look better suited for a circus than a gym. The big question is “which way is the right way to do effective core training?”