A bunch of us live our lives like penned animals. Built to move, too often we put ourselves in a It was not always this way. Not long ago in the United States, a man who worked on a farm did the equivalent of 15 miles of jogging every day; and his wife did the equivalent of 7 miles of jogging.
Today, our daily obligations of work and home keep us tied to our chairs, and if we want exercise, we have to seek it out.
