When I was a child I was the kid who was picked last for sports during gym class. I lacked coordination and any athletic ability with the exception of dodging the ball during dodge ball. I would be best described as awkward and clumsy. So when my son Max showed a similar lack of coordination early on, I just thought, “Well the apple doesn’t fall far from the tree.” Although Max walked early, at nine months, he developed an unusual gait which didn’t change very much over the years. He...