Here is another video from Ryan Kingslein, (that makes three posts in a row!).
This time it shows the Female Écorché model included within the latest version of ZBrush (4R2b).
This should prove to be an invaluable resource in mastering the understanding of human form. Écorché sculpting (and drawing) is the most vitaly important exercise one can undertake to understand the figure. Undertaking this study is essential in commiting the forms to memory so that your observations and artwork can near the truth.
Perfection is a bi-product of observation, and observation is informed by knowledge.