Visual Impact Muscle Building PDF download. Get detailed explanation of what a mass building set “feels” like. This way you can be sure that each set actually builds the muscle instead of just making you sore. Why simply training heavy and using “progressive resistance” doesn’t guarantee that you will add muscle mass. Here is what does…Why lifting heavy is better for tone and lifting light is better for mass. Almost everyone gets this switched around…get this right and you will be able to create the perfect look. A “bonus phase” strategy that will pack 5-10 pounds of fat free mass quickly onto your physique right before an event…insuring shrink-wrapped skin and full muscles.