Master the ab wheel rollout with our step-by-step guide to proper form, expert cues, and building a bulletproof midsection. If you’ve spent any real time in the gym, you’ve probably seen the ab roller ...

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 ...

At first glance, the ab wheel may look like an innocent—and perhaps even fun—gym accessory. Yet in practice? It’s an advanced tool that delivers a seriously intense, next-level core challenge. For ...

Getting a stronger, more defined core at home takes strategy. These ab workouts prove bodyweight training can be brutally effective. To carve out your core, you need the same kind of intent you bring ...

If you’ve spent any real time in the gym, you’ve probably seen the ab roller sitting off to the side and wondered whether it’s actually worth your time. It looks simple enough, but the first serious ...