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 ...

Targeted core training and diet are essential for visible, strong abs. Trainer Marcus Filly ranks popular ab exercises, highlighting effectiveness and growth potential. Effective exercises include ...

If you wince when you think about ab workouts, you're not alone. Pilates enthusiasts aside, most of us don't enjoy working our core muscles with exercises like planks and crunches, which is why ...