"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." That's why it pays to dedicate focused training time on your core. You can start with these ab exercises ...

It’s estimated that 2 million people in the U.S. will experience a back injury this year. Many of these injuries are because of postures held for prolonged periods and workplace incidents. Many more ...

Side planks trains your obliques with movements like twisting and rotating. Leg raises help strengthen your lower abs and hip flexors, but they may strain your lower back. Keeping your core engaged ...

Trainer Steve Chambers shares 5 standing moves to shrink belly pooch after 55, with exclusive expert quotes and tips.

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 ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Lie on the mat with your arms extended straight up.