If you go to the gym, you may have received some advice about your training, heard some myths or learned an exercise from someone that wasn't executing it properly. Sometimes you get advice from those that are only using themselves as an example. You may shy away from the weight room because you don't want abnormally large muscles. You may not do cardio because you don't want to lose the muscle mass you worked so hard for. What we fail to realize is that we all train our bodies for different things. Furthermore, our bodies are all different so what works for one person, may not work for another. If you lost thirty pounds by, circuit training with weights and by eating healthier, you shouldn't tell someone not to do cardio, in order to lose weight. Another person may need extended cardio to shed more calories. We all expend energy at different rates. Unfortunately, some have to work harder than others to get the same results. You may see a guy with big muscles and f...