This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. "Right to the core," "core values," and "hardcore." These little idioms highlight just how vital the concept of "core" is in our lives ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." No offense to sit-ups, planks, and hollow holds, but basic core exercises can feel drab day after day.

This series of exercises focuses on important muscles in the legs and torso we use every day. No equipment (and very little space) necessary. By Jenny Marder See more of our coverage in your search ...

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A stronger, flatter midsection after 50 comes from movements that train your core to stabilize your entire body, not just flex your spine like old-school crunches. Standing drills create that ...

Pilates is having a huge moment, and for good reason. But you don't need an expensive studio or years of experience to try the practice for yourself. This 10-minute flow — led by trainer Frances ...

Add Yahoo as a preferred source to see more of our stories on Google. These are the top exercises you should be doing if you're new to exercise. It's no secret that getting enough exercise is vital ...

New to the weight room? This routine is for you. New to the weight room? This routine is for you. Credit...Theodore Tae/The New York Times Supported by By Alyssa Ages Photographs and Video by Theodore ...

"As we age, we don't just lose muscle, we lose coordination between the breath and postural system that holds everything together," says Dr Caroline Packard ...