Be warned this does get you sweating, but more effort = greater results. I've acheived tighter muscles and much definition within two weeks of using this DVD; 30 mins three times a week (which isnt alot for starters). i agree this does a whole body exercise but my inner thighs, the 'knee area' and bum have really seen the results and considering i use an exersice bike 4 times a week for 40mins, i was very suprised. The lower stomach really gets a tighten up. The actual motion and useage of a kettlebell is new to me, im a firm believer in free weights and resistance training and this is a thumbs up for individuality and exciting to try a new style of working out. The presentation style is to the point with an advanced workout by Angie and beginner workout by a co-host. Negative points are that you really do need 3 X 3 meters to perform most tasks and a reasonable ceiling height. Only one kettle bell is needed (i purchased two before hand!). Breathing in/out and holding the stomach in is an important part to training and more mention of this would be really beneficial to the viewer, im only aware of this from other stomach workout DVDs.