Based on this article: http://well.blogs.nytimes.com/2013/05/09/the-scientific-7-minute-workout/
Inspired by this video: http://www.youtube.com/watch?v=RgXQ7Cqmulg
Based on this article: http://well.blogs.nytimes.com/2013/05/09/the-scientific-7-minute-workout/
Inspired by this video: http://www.youtube.com/watch?v=RgXQ7Cqmulg