Beth Skwarecki is Lifehacker’s Senior Health Editor and has been writing about health, fitness, and science here since 2015. Beth was the recipient of the 2017 Carnegie Science Award in science ...

Whether you’re trying to tone up for beach season or simply to improve your core strength, a solid ab workout routine is essential. Although you can do core exercises with little more than a mat, many ...

New York Post may be compensated and/or receive an affiliate commission if you click or buy through our links. Featured pricing is subject to change. With the new year on the horizon, it’s inevitable ...

A nice, flat stomach with a six-pack of muscles. We all want to know the best way to flatten our tummies. The Ab Slide claims to be a complete upper body workout, in just minutes a day. But does it ...

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