VALORES

Core Values
Stuart McGill, a professor of spine biomechanics at the University of Waterloo in Canada, demonstrates a few core exercises that emphasize all the major muscles that support the spine.

http://video.nytimes.com/video/2009/06/17/magazine/1194841000095/core-values.html

http://www.nytimes.com/2011/04/19/science/19brain.html?ref=science