It’s a bone that no-one thinks that much about unless you break it or you’re staring in the mirror and you think it sticks out too much: your collar bone. Today, Tour de France winner seven times over, Lance Armstrong, is thinking about his collar bone more than he ever did before, I’m sure.
We think we don’t use it very much. After all, it doesn’t bear our weight when we walk, it doesn’t help us lift heavy things – or does it? What exactly does the collar bone do?
The collar bone, or clavicle, does quite a bit. The  most important …read more