For many of us, the most pressing question about exercise is: How little can I get away with? The answer, according to a sophisticated new study of interval training, may be very, very little. In this new experiment, in fact, 60 seconds of strenuous exertion proved to be as successful at improving health and fitness as three-quarters of an hour of moderate exercise.
Let me repeat that finding: One minute of arduous exercise was comparable in its physiological effects to 45 minutes of gentler sweating... (continues)But it would be wrong. Right?
It would be wrong for me. I would not derive the "benefits" of walking away from every kind of trouble, and into an expansive space of mental freedom, if I tried to do it in a 60-second sprint.
Are people really so pressed for time? Or for motivation?