This is a great article as it supports so much of what we talk about in Survival of the Fit. One thing in particular they discuss is the predominance of competitive sports in gym class and how this excludes so many, especially women. We need to make these 45 minutes a full-on explosion of energy and make sure EVERY child is moving the entire class. PE is not the time for competition- it is the time to rev the brain by revving the body so the students will be ready for the next class.