Carve out just nine minutes a day, five to six times a week, and watch how your core transforms.

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images While ...

Spencer has you start on the mat: No additional equipment is needed. You only need your body, comfy clothes, and a mat. Once you take a seat, you’ll rotate your hips, pointing your knees to your left ...

Personal trainers frequently get asked for the best exercises to flatten the stomach. While ab workouts can help with that, they also provide so much more than the aesthetic of a toned stomach area.

Jen's trainer says functional movements are key and shares the best to try ...

Your entire body depends on a strong core. It's the "control center," so to speak, providing stability and power to your ...

Every guy wants a chiseled core. After all, a lean midsection is the pinnacle of a great physique, awesome body fat percentage, and an active lifestyle. The problem, however, is that a lot of ab ...

Run faster and more efficiently with these moves.

Fast, effective, and no basic movements.

Add Yahoo as a preferred source to see more of our stories on Google. "Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." I love working out, and a good ...

See and feel a difference in your core strength in just one month with this walking and bodyweight strength plan. Welcome to Start TODAY. Sign up for our Start TODAY newsletter to join the 31-day ...

Adding strength training to your calendar when you’re gearing up for a half or full marathon makes sense to protect your ...