The best exercises in a simple-to-follow progression to tone and strengthen your body correctly and ensure maximum success. Luckily, you don't always need months of hard work to get a fit body — whether you've got one month, one week, or one day, you can firm up and feel good,

High-intensity training revs your metabolism, triggering your body to burn calories all day long. By blasting through your energy stores, you’ll start to reveal lean, sexy muscles. Toned muscles result from an increase in muscle size combined with low enough body fat to have visible definition and shape.