7 science-backed ways to get more out of your workout

The vast majority of Americans don't get nearly enough exercise.

"We have a serious public health crisis where people are not moving - they're sitting," says Jennifer Huberty, an associate professor of exercise and wellness at Arizona State University.

The first step to a healthier body is to add some exercise to your routine, even just a little bit. But carving out time for workouts can be a challenge.

If you're looking to kickstart a fitness routine in the new year, how can you be sure you're making the most of those precious workout sessions?

We talked to Huberty and Shawn Arent, the director of the graduate program in exercise science at Rutgers, to get some professional tips.