How to Handle Hands - Posing Techniques for Photographers and Models
Hands will make or break your shot in a heartbeat. Generally a woman's hands should appear graceful. You want to achieve a soft, elegant and natural position of the hands so that they do not become a distraction.
Angled wrists and claw like fingers are things that we generally would not notice when we watch a pretty girl in person, but preserve them in a photograph and they suddenly become a distraction that will take away from your subject's natural beauty.