I have been trying to better understand human anatomy. This has helped me immensely with my rigging techniques in 3D. Understanding where to place joints in a 3D character is half the battle to recreating realistic movement.
I have been trying to study on the train on my way to work each day. Here's a link to the tutorials I've been using. Amazing value for money and first class teachings by Riven Pheonix. the-structure-of-man