Did we mention that after about age 30 men tend to lose muscle mass with each passing year? Unfair, isn’t it? This means your body will probably never be as Speedo-friendly as it was on your honeymoon. (Maybe that’s a good thing.) More importantly, it means that with less muscle, your metabolism is slower and it will be easier for fat to accumulate, especially around your middle. And you know how dangerous abdominal fat can be.

How much your metabolism stays fired up after your workout is directly related to the amount of muscle tissue you engage. So, our new dumbbell workout targets the largest muscle groups in the body—the chest, back, shoulders, and legs. A University of Wisconsin study found that when men performed a full-body workout involving just three big-muscle exercises—the bench press, power clean, and squat—their metabolisms were elevated for 39 hours afterward! In addition, researchers discovered that these lifters also burned a greater percentage of their calories from fat during this time, compared with guys who didn't do a total-body, big-muscle workout. Many of the exercises in this program go one step further: They combine two lifts into one exercise to work multiple large muscle groups and deliver an even better metabolism charge while saving you workout time.

The Secret Weapon of the Belly Off! Pro Dumbell Workout

Before you get started, there’s a law of muscle physics to learn that’ll help you get quicker results from your lifting. It’s the law of “elastic energy.” When you lower your body during any exercise, you build up elastic energy in your muscles. Just like in a coiled spring, that elasticity allows you to bounce back to the starting position, reducing the work your muscles have to do. We call it unconscious cheating. But if you eliminate this cheating bounce, you'll force your body to recruit more muscle fibers to get you moving again.

The Belly Off! fitness program will show you how to use this technique to get fit fast.

You’ll be alternating between two different workouts over three lifting days each week— Sign up today and find out exactly how to make it work for you!