Rest Day Enlarge image "Knees tracking over the feet," CrossFit Certification Seminar - CrossFit One World LaLanne Fitness Grand Opening Part 3: Reality Show - video [wmv] [mov] "Surviving Brazilian Jiu-Jitsu" by Becca Borawski - CrossFit Journal April 2008 "Recent Triathlon Deaths Have Experts Searching for Answers" by Christie Aschwanden - New York Times Post thoughts to comments....