Add Yahoo as a preferred source to see more of our stories on Google. With holidays, year-end projects and family vacations, our fitness can fall short from time to time, but simple, “do anywhere” ...

The key to an effective, pain-free crunch lies in the technique. It's not about mindlessly going up and down, but about engaging the right muscles and protecting your body. Here's a step-by-step guide ...

Our core is made up of four muscle groups that are essential to everyday movements, like walking and lifting. And when people think about core strengthening, crunches are often the first thing that ...

The standing oblique crunch is a popular ab exercise that can injure you if done incorrectly. A personal trainer said she stopped doing the exercise in favor of alternatives that avoid back pain.