It would be a shame not to mention the workout Insanity, especially for those of you that prefer an at home workout program.
This is by far the best for weight loss.
Do not be surprised if you are unable to complete the full workout on day one but stick with it and you will get stronger as you lose weight.
Fitness phenom Shaun T will lead you in an effective workout explaining the muscle groups you are targeting, proper form and help you to feel the burn.
So get to it starting today!