Planks: Doing a plank helps improve core strength and stability while strengthening the abdominals, back, and shoulders. Start with a 20-second plank, and as you get more comfortable, hold it for as ...

At the end of the day, all runners want to get better at their sport and prevent injury. Symmetry plays a crucial role in ...

Post-exercise stiffness is a part of any fitness regimen, but many treatments don’t address the underlying cause. Here’s what actually works. By Amanda Loudin Maybe it was an intense spin class that ...

There are some people who can’t get enough when it comes to exercise — the ones who are up at the crack of dawn for a jog, who squeeze in a class during their lunch break and prioritize boot camps ...

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There are many ways to do a plank, from straight-arm, side, and one-legged planks to plank knee taps and jacks. These moves ...

Combining resistance training and cardio will get your heart pumping, even if you only have 15 or 20 minutes to spare. By Anna Maltby When it comes to exercise, there’s a difference between what’s ...

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Once again, 30-day fitness challenges are all the rage on social media. Whether it's a family workout challenge, a flat-abs-in-30-days challenge, or a popular 10-minutes-of-yoga-a-day-for-30-days ...

Brian is a New York–based science and health journalist. His work has been published by The Atlantic, The Paris Review, The New York Times For Kids, CBS News, The TODAY Show, Barron's PENTA, Engadget, ...