Add Yahoo as a preferred source to see more of our stories on Google. Every new year begins with a new slate. Once the calendar hits January 1, you have the opportunity to develop different habits, ...

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 ...

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 ...

You just crushed the Women’s Health Flex Challenge—go you! What’s next? How about a 7-day core-sculpting challenge? Enter: The Women’s Health+ Ultimate Abs Challenge, a week-long program that ...

Equipment needed: one dumbbell (Corgel suggested eight pounds maximum for beginners, up to 12 pounds for people who are at an intermediate level, and 10 pounds minimum for those who are advanced).

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 ...