Every new year begins with a new slate. Once the calendar hits January 1, you have the opportunity to develop different habits, find engaging hobbies, and instill different attitudes for how you go ...

Training your abs is considered such a fundamental part of fitness routines nowadays that some of the best gyms host workout classes dedicated solely to strengthening your core. But for those of you ...

Many of us are motivated to do core exercises by the promise of a flatter, more toned stomach — but physical appearance is far from the most important reason to strengthen your midsection. Your core ...

Your core (that means both your back and abdominal muscles) is your source of power—seriously. It's also what helps stabilize your entire body, prevent low back pain, and impact your posture, helping ...

Achieving a flat belly is a common fitness goal, and it's more than just about aesthetics—it's about building a strong, ...

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 ...

Love exercising at home, but miss the energy and instruction of studio classes? Tired of doing the same workout DVDs because your schedule never seems to leave time for the classes you want to take?

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." There are a few health habits that I’m proud to have. I’m pretty good at drinking enough water. I ...