Working out without seeing any results? It could be you're not doing the right kind of exercise for your body. By identifying and understanding your body type, you can devise an effective exercise program that works for you. Endomorphs, Ectomorphs and Mesomorphs Exercise science has identified three main categories of body type. Each looks and works differently. {relatedarticles} Endomorphs: Characterized by large bones, round faces and bodies, ...