Practicing by doing full body sculpts from a sphere to become more capable and confident with human anatomy. To force learning through practice no existing meshes were used. As this exercise was about anatomy, I left the character undeveloped and ignored fine detailing. Images are from Marmoset Toolbag - simple gray material and light only.
I created an 8 Head Unit measuring guide while producing this and uploaded that to Artstation. You can grab it for free if it could be useful for you. Link at the top.