You already use to for example many athletes coming to bodybuilding from other sports like to feel athletic in the gym training too fast to move quickly going too much for a pompous therefore not building muscle effectively    Nitro X Proseries  weightlifters another power at least on the other hand of an air in the opposite direction training too heavy and slow with too few isolation for the exercises in their training program if you keep your concentration and put your mind in the muscle you’ll get better and better and instinctively knowing what's best for you however this is not an absolute guy every athlete can benefit from additional coaching and guides bodybuilders who are really in tune with 

http://muskelmag.com/