Transform your body in 4 weeks with this calorie-torching exercise series.

Try any of these fun ways to squeeze in a calorie-torching workout, indoors or out.

In fact, all the little decisions you make about eating and moving make a big difference in your calorie-torching ability.

Flow - A calorie-torching floor routine that combines core strengthening with lower body work for a head-to-toe makeover.

Calorie-laden food for calorie-torching work.

We crunched the numbers to reveal the calorie-torching potential of 20 types of exercise, from walking and jogging to surfing and Spinning.