"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." I love working out, and a good workout challenge is even better. When I had the opportunity to try model ...

Sports Illustrated’ swimsuit mode Penny Lane flaunts her award-winning bikini body and famously chiseled abs in a workout ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? I love working out, and a good workout challenge is even better. When I had ...

The fun thing about ab workouts is that there's so much you can do to challenge and strengthen your core with zero equipment necessary. Take this 10-minute workout shared by Swedish Australian ...

Gale started with crunches to strengthen her core. She then opted for arm and leg raises to further the burn. Gale also relied on knee-to-elbow crunches and twists. Her workout buddy relaxed and ...

Popularity is by no means a guarantee of quality, but when a workout has over 100m views on YouTube, it certainly indicates that it’s worth giving a go. This 10-minute abs workout from fitness trainer ...

A strong core is about more than just six-pack bragging rights — it’s the foundation of your strength and overall well-being. But you don't need to torture yourself with endless crunches. Instead, ...