I have tried Turbo Jam and it is fun and will work but I actually found something that is even better, especially for tightening up all of your muscles. Try HipHop Abs. (
www.hiphopabs.com) I just ordered it and it is sooo fun, really addicting and it gives results so quickly. Ive only been doing it for a week and I feel so much healthier, my stomach is much tighter and ive lost inches from my thighs, waist, hips and chest. in just a week! I love it.