"I'm overweight because I have a slow metabolism." Since metabolism is not a state, it is more like a process that needs to be figured out and promoted. Thus, this book highlights the fundamental mechanics of muscle work by showcasing: a deep understanding of your muscle's metabolism and anatomy the different body types regarding muscle fibers the basic difference between aerobic and anerobic repspiration considering muscle contraction how to maximize muscle strength Save this edition in order to start a healthy living as an attempt to live longer, happier and more satisfied..