The Scientific 7-Minute Workout
The Scientific 7-Minute Workout by Gretchen Reynolds, nytimes: The exercises should be performed in rapid succession, allowing 30 seconds for each, while, throughout, the intensity hovers at about an 8 on a discomfort scale of 1 to 10. Those seven minutes should be, in a word, unpleasant. The upside is, after seven minutes, you’re done. #Fitness #fitness
Quelle : http://well.blogs.nytimes.com/2013/05/09/the-scien
Heißt das, Sie gehören Oder wissen Sie, wer es verkauft ?
