In the ever-evolving world of social media fitness trends, the “stomach vacuum” exercise has been on the rise — and experts say this one might be worth the hype. Unlike many viral challenges, the ...

When you think of ab workouts, you probably envision lying on an exercise mat, performing crunches and sit-ups to sculpt and tone the muscles in your midsection. Yet these aren't the only — or even ...

When Taiwanese singer Ella Chen Jiahua pulled in her abdomen during a live concert in Xi’an, the crowd cheered. The move looked controlled, almost theatrical. But the internet reacted very differently ...

One popular fitness expert shares the best home ab workout and 7 intense lower ab exercises, for a combination that hits your entire core. Lower abs are a common challenge; targeted workouts can be ...

Strengthening your core is about more than losing weight or getting defined muscles. A strong core can improve the way the rest of the body works and help balance and stability. Working out the ...

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 ...