You would be forgiven for assuming it was borne out of decades of painstaking research. It was, however, a clever marketing ploy by a Japanese firm trying to sell pedometers after the 1964 Tokyo Olympics.You would be forgiven for assuming it was borne out of decades of painstaking research. It was, however, a clever marketing ploy by a Japanese firm trying to sell pedometers after the 1964 Tokyo Olympics.Read MoreHealth News | Mail Online