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 ...

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 ...

Anthony J. Yeung, C.S.C.S. View post: Using These Unconventional Gym Tools Can Fix Your Balance and Build Functional Power, According to a Movement Expert To carve out your core, you need the same ...

Strengthening your core goes beyond just obtaining a six-pack, it can also reduce injury risk and help you hit your next PR. Anthony J. Yeung, C.S.C.S. View post: Using These Unconventional Gym Tools ...