Skinny to Muscular First lemme just quickly explain the 3 main bodytypes:- 1) Ectomorphs: These are the naturally skinny people, putting on weight in the form of both muscle or fat is harder this category. 2) Endomorphs: These are the naturally big people, putting on weight in the form of muscle or fat shouldn't be much of a struggle for them, but they will have to put a little extra effort if they wanna cut up or slim down. 3) Mesomorphs: These are the middle men/women, naturally athletic, losing weight and gain muscle could be easy or hard. So if you're someone who wants to gain weight in the form of muscle but still maintain lean muscle mass.... don't worry, the workout routine and diet plan given below will be crucial. I will also provide you with necessary guidelines in order for you to develop your own workout routine and diet plan that suits you the most. Make sure to read the whole article so that you don't miss out on some important information. (Dont worry,