ANSWERS: 1
  • Rudimentary treadmills have been used to harness animal and human labor for hundreds of years. The first treadmill for exercise was invented in 1952 by Dr. Robert Bruce and Wayne Quinton, and it was used by hospitals to help diagnose lung and heart disease.

    Source:

    University of Illinois

Copyright 2023, Wired Ivy, LLC

Answerbag | Terms of Service | Privacy Policy