Ron Lemen: Drawing the Human Hand
10/18/02 @874 | Dave | comments (6)
The hands, along with the face should recieve careful attention. for  one thing, aside from the head, they are usually the only other exposed  part of the body. Secondly, they are equally as expressive in gesture,   emotion and action. Because of the complexity of joints, masses and  planes, along with their expressive nature, the hands can, and usually  are, the hardest thing to learn on the entire human form.

Full tutorial: http://www.anticz.com/handtut.htm