The safest, most portable and do-able cardiovascular workout is a power walk, whether you do it outside, on a track, or on a treadmill. We start you off slowly, so you nail proper walking form and pacing. If you want a more intense or longer walk, simply keep putting one foot in front of the other! You can safely walk to burn calories and tone up every day of the week. Just make sure you stretch afterwards, and have fun! Download and start listening now!