Jump rope for sixty seconds,
rest for sixty seconds.
Continue this for forty minutes
"Develop the capacity of a novice 800 meter track athlete, gymnast,
and weightlifter and you'll be fitter than any world class runner,
gymnast, or weightlifter."
- Coach Glassman
A little history of fitness, the biography of Alan Calvert:
http://www.naturalstrength.com/history/acalvert.htm