Grab a chair and try this ...

All you need for these simple workouts is a desk and a chair. If you work at a desk, you may find it difficult to stay active ...

A strong core is about more than just six-pack bragging rights — it’s the foundation of your strength and overall well-being. But you don't need to torture yourself with endless crunches. Instead, ...

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 ...

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 ...

If you work at a desk, you may find it difficult to stay active throughout the day. After all, a sedentary job can often mean sitting for upwards of eight hours at a time. If you've been looking for a ...