The Scientific 7-Minute Workout
http://well.blogs.nytimes.com/2013/05/09/the-scientific-7-minute-workout/?emc=eta1
If you have been to my office you know that I do not have big gym equipment and often tell clients that the best workouts do not require any. Gravity, and our own body weight is often enough to work out and enhance postural alignment.
Well now scientists are on board too! Check out this article from a recent NY Times.

In 12 exercises deploying only body weight, a chair and a wall, it fulfills the latest mandates for high-intensity effort, which essentially combines a long run and a visit to the weight room into about seven minutes of steady discomfort — all of it based on science.