Personal trainer Ben Carpenter has a rippling six-pack but can't do a sit-up, he told Insider. Carpenter's ab definition comes down to his low body fat levels which are a result of chronic illness.

Perhaps the original six-pack mom, this lingerie model got her break during pregnancy when her well-defined abs went viral. Diary of a Fit Mommy blogger and NASM-certified personal trainer Sia ...

Everywhere you turn, it seems there's some new get-abs-quick device that promises to help you sculpt the waistline (read: six-pack) you want. And fast. One of the newest: the Simply Fit Board .

Elite trainer Jeff Cavaliere, owner of ripped six-pack abs and a stacked physique, has taken to his YouTube channel to share the only two abs moves you need in your programme. And there are no ...

To carve out six pack abs you need exercises that grow the muscles, and these two moves recommended by a personal trainer are ...