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Looking for a quick ab workout to fire up your core? This seven-minute intense ab challenge targets your lower abs with no equipment. To find out for myself, I unrolled my yoga mat and gave it a go ...

Feeling inspired by Livvy Dune’s abs, but don’t quite have the same amount of hours to spend in the gym as her? We’ve good news: you actually don’t need *that* much time to make a difference when it ...

We all know that we should move a little more – but finding the time and energy to do so can be almost as exhausting as the workout itself. Turns out, we don't need long sessions in the gym to improve ...

You're not alone if you wince when you think about doing a plank, sit-up, or crunch. I feel exactly the same way. Whether it's the burning in my abs or the requirement to be at one with my yoga mat, I ...

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 ...