Sit-ups, crunches, and planks probably have a regular spot on your strength schedule. But V-ups can take your core-strengthening workout up a notch, thanks to the range of motion the move requires.

Add Yahoo as a preferred source to see more of our stories on Google. V-cut abs are considered the finishing touches to a ripped six-pack. Here's how to hone yours. We asked Don Saladino, C.P.T., ...