I recently received a pedometer from the health plan to get me to walk around more. The pedometer is one of these devices to be worn on a belt or carried in a pocket.
I decided to try it out the other day, walking exactly 50 steps to check on what the pedometer would read.
As you can see in this photo, the pedometer registered only 16 steps.
Granted, my legs aren't that long, but I'm quite certain that 50 steps by me would correspond to at least 40 steps by a man of average height (which in the U.S. is 5 ft. 9 1/2 in.).
So I guess the pedometer's dramatic under-measurement is a way of encouraging even more exercise.