For core workouts from Stephanie Mansour — plus fitness challenges, walking podcasts, meal plans and inspiration — download the Start TODAY app! When it comes to toning the abdominals, many of my ...

Whether your workout involves the reverse or standard plank variation, you’re guaranteed to feel the burn in your ab muscles. But, even though both exercise moves are associated with core work, each ...

We love following Jennifer Lopez's workout content, and she's constantly inspiring us to challenge ourselves with her workouts and wellness routine. When she isn't doing fun, family workouts with Alex ...

Jillian Michaels is known for her intense workouts. Thursday, she posted a video of herself doing mind-boggling abs moves at the gym. The video includes her doing four difficult exercises. Luckily for ...

You don't need to do thousands of sit-ups or spend hours in the gym to build abs. You can instead do the bare minimum of two to three ab-focused exercises for 20 to 30 minutes a week. Exercises like ...