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 ...

Core work has a tendency to be pretty meh. Hold some planks, crank out crunches, and count the reps until you can move onto something a little more engaging. This core workout from Mens Health fitness ...

Confession: Despite my lengthy career as a fitness journalist and being well-versed in the health benefits of a strong core, I have not been consistent with training my abs for a while. (Hi, holidays ...