Learn how to perfect the move to strengthen your six pack and set your core up for success.

Join us as Teofimo Lopez showcases his impressive ab and core exercises, demonstrating the strength and dedication that make ...

The old saying insists that abs are made in the kitchen. Of course diet is key, but what you do in the gym matters, too. Jeff Cavaliere, C.S.C.S., of Athlean-X knows just how many ab exercises are out ...

Certified trainer Jenna de Léon leads you through a 7-minute deep core workout circuit that uses a single dumbbell. Use it as a solo abs workout or tack it onto the other strength and conditioning ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Do you want a strong ...

Many guys might lazily toss in a set or two of situps at the end of their gym session, thinking that’s enough (probably more in hopes of exposing a six-pack than building strength). We don’t blame you ...

Katrina Carter, DPT, FNS, is a licensed travel physical therapist. She specializes in orthopedics and has a passion for providing education on nutrition for healing and overall health and wellness.

Not that fussed about sit-ups? Me neither, so I say sweep them to one side and hit more muscles in one go using the good old do-it-all compound exercise — a multi-joint, multi-muscle move that hits ...

The humble crunch has dominated core training routines for decades, appearing in everything from military fitness tests to celebrity workout videos. This seemingly simple exercise promises a path to ...

It’s a common fitness dilemma: You’re banging out crunches and planks week after week but still not seeing the strength and muscle tone you want in your lower abs. That’s a sign it’s time to switch up ...