“Since the thumb is responsible for 40% of the functions of the hand, saving and reconstructing ... “We banked the first metacarpal bone in the distal forearm for later reconstruction ...

The thumb alone is controlled by nine separate muscles. Some are anchored to bones within the hand, while others snake their way to the arm. The wrist is a floating cluster of bones and ligaments ...

The similarity isn't restricted to the ends of the limbs -- the bones of the arm, forearm, and hand of different vertebrates form a recognizable pattern, even though they have been adapted to ...