Just when we were getting used to the 7-Minute Workout, we find out that we’ve been wasting 3 minutes! According to the “experts,” you now only need a very efficient 4 minutes to keep your body in great shape. Call us when they get down to the 30-Second Workout….
From the New York Times:
The 4-Minute Workout was last modified: June 20th, 2013 by