Look how FAST we are WALKING! Day Four!  This is a big Calorie Burn Challenge.  Here's what Leslie has to say about Calorie Burn.  (Click here to read the Full Post!) Our walks always move at a brisk pace – we design the speed (miles per hour) of the walk by the beats per minute of the music.  If you keep the pace of our walk and follow the arm movements at full intensity, you can burn at least 100 calories per mile.  Your body weight will determine if it will be a bit under this amount (a...