... BBC journalist Michael Mosley investigated workout myths on an episode of his weekly show “The Truth About … called, “The Truth About Getting Fit.”
Moseley’s research showed that “ten thousand steps” was firmly grounded in unscientific confusion and misunderstanding, unsupported by any sort of scientific fact.
Translation Errors
The idea that ten thousand steps was the magic number for total fitness started in the early 60s, Mosely found, when Japanese inventor Yamasa Tokei, hoping to cash in on the fitness craze surrounding the 1964 Tokyo Olympics, started marketing a pedometer.
The device bore the name “Manpo-Kei,” which indeed does mean “ten-thousand-step meter.”
The manufacturer based the device’s name on some research by Dr. Yoshiro Hatano from Kyushu University of Health and Welfare.
Dr. Hatano didn’t want to see the traditionally fit Japanese people become Americanized—he saw American habits like watching baseball instead of playing sports, eating too much, and walking too little as undesirable.
He decided that Japanese people, whom he said took 3,500 to 5,000 steps a day on average, would burn an extra 500 calories each day if they took 10,000 steps ...
Dr. Hatano might have been a scientist, but his opinions were not scientific. He wanted to fight obesity, and he wanted a message which people could easily accept and act on. ...