A nice leisurely stroll is an easy way to burn a few calories, but let's face the facts. A slow walk only helps shed the pounds the same way -- slowly. If you want to rev up your weight loss, you want big numbers.
For maximum calorie crunching, short and intense workouts give you more bang for the buck than long and slow. Here are seven activities that burn up those calories like wildfire, so you can see the results you want, quick as a blaze.