For developing your croquis, it is important to not only know the fashion scale of ten heads, but also the basic shapes that the figure can be seen as. The most important areas are the torso and the pelvis in terms of showing poses that have attitude and movement. These two areas can almost be considered geometric, which round out once flesh is drawn around the basic shape.
Here are some examples of the torso shape and pelvic box with which you should consider when developing your croquis.
