I have attached a few links that I believe you might like to see. These are stories relating to birth anomalies of the hand and upper extremities. These stories were in the popular press.
World Cup Soccer Interesting link which is also thought provoking. Thanks to Terry Light.
Phantom Limb Pain Link regarding birth anomalies and the brain. Fascinating.
Robotic Prostheses Technology advancement for prosthetics
More on Prosthetics Summary of our 3D prosthetic work at Washington University.
Charles A. Goldfarb, MD
My Bio at Washington University