After several months of fitness practice, my chest muscles have grown a lot and my strength has increased a lot. But why didn't my arms get thicker and my waist was only 26? What should I do? ...
Arms are places where muscles grow easily. Because you need to practice a lot of movements by hand. But it's not long. It must be that the intensity of training the arm is too small or too few times. The arm needs to be stimulated by isolated movements, such as barbell bending and dumbbell bending. These two classic movements have 4 groups each, each group 15.