Fitness guru Isaac Boots knows what it takes to get a ripped body... which is why so many stars have dropped their personal trainers to work with him. The former Broadway dancer turned fitness ...

Working on their fitness! Jen Shah is staying active as she serves her 78-month prison sentence by teaching her “Shah-Mazing Abs” class to her fellow inmates. “She holds the classes on Thursdays and ...

Personal trainer and dancer Shaun T. is known for his hardcore workout videos — “Insanity,” “Rocking Body” and “Hip Hop Abs” — but we’re also loving his toned arms, sculpted back and handsome face.

Crunches, sit-ups, planks… There are many ways to train your abs with bodyweight exercises, but which ones are truly ...

Bouncy plank jacks and painful crunches aren't the only exercises that strengthen your abs. Presented by Allegra, this entire ab series is done while standing. Whether you're working out on the go, or ...