 New York Times (blog) | How to Get Fit in a Few Minutes a Week New York Times (blog) High-intensity interval training, a type of workout that consists of very brief bouts of very strenuous exercise, has become enormously popular in recent years. A main reason is that although such workouts are draining, they can be both very effective ... |
Tuesday, February 25, 2014
How to Get Fit in a Few Minutes a Week - New York Times (blog)
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