Step Counting: A Review of Measurement Considerations and ...

The Roman mile was approximately 1000 paces (or 2000 steps) of a full-grown adult [5]. Leonardo da Vinci is credited with inventing the first mechanical step counter. It was worn at the waist, with a long lever arm that was tied to the thigh. When the thigh moved back and forth in walking, the gears were rotated, causing steps to be counted [6]. ................
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