Best of 2012: The Playlists That Keep Our Hearts Pumping : The year 2012 put Spotify on the map and into our ears. Putting together rocking playlists for everyone's taste and speed has never been so easy. Here are some of our favorite mixes from the year that kept us motivated and rocking through all of our workouts! Source: Corbis Images
Treadmill intervals to burn belly fat - totally doable...highest speed is 7 mph. Great template and you can increase speed/incline/time based on your ability and progress. Running really is great core work, and it burns fat. No one can see your abs if they're covered in fat (duh).