© 2013 MCTSource: International Ski Federation, Ski magazine, “Sports: The Complete Visual Reference”
© 2013 MCTSource: “Biomechanical Analysis of Quadruple Toe Loops” by Deborah King, Sarah Smith, Kathy Casey; USA Today; “Sports: The Complete Visual Reference”; Layperson’s Guide to Lutzs and Loops; Technical Figure Skating
© 2013 MCTSource: U.S. Bobsled and Skeleton Federation, “Sports: The Complete Visual Reference” by Francois Fortin
© 2013 MCTSource: Intl. Ski Federation, Ski Magazine, “Sports: The Complete Visual Reference”
© 2013 MCTSource: Master Skier, Agder College (Norway) Institute for Sport, “Sports: The Complete Visual Reference”
© 2013 MCTSource: U.S. Ski and Snowboard Association, CTV News, Toronto Star, International Ski Federation
© 2013 MCTSource: “Sports: The Complete Visual Reference,” U.S. Bobsled and Skeleton Federation, Ryan Davenport, Davenport Skeleton Sleds (Alberta, Canada)
© 2013 MCT Source: U.S. Speedskating, “Sports: The Complete Visual Reference” by Francois Fortin