Besides your muscle fibers will determine your physique to a large extent how you react to sport and nutrition. There is generally a classification in TestoEdge 20 three body types: ectomorph, mesomorphic and endomorphic. Briefly indicates ectomorphic on a construction of a thin, tall building, mesomorphic indicates a predisposition to muscle and endomorphic is an instrument for the construction of fat in the body [6]. The body type is determined by these three criteria, one of which will dominate [6]. http://www.x4facts.c...h-testoedge-20/