this video is excellent for keeping in shape and getting leaner. You FEEL and are healthier! But WARNING this isn't for the beginners...you need to at least be and light shape and be some what in shape. It works mostly with your abs and trust me you'll feel it work. I danced for 5years and wanted to get into better shape and man it was kinda tuff for me but you feel worked and great afterwards. It's worth the money!!