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Figure skating jumps, explained - Vox
Chibura on Twitter: "ISU Jump DVD - Lutz introduction part 1. This part talks about the preparation and takeoff of the Lutz jump. Please take in your mind that the DVD last
Professor Talks Physics of Figure Skating | School of Health Sciences and Human Performance | Ithaca College
Russian Figure Skater, 15, First Woman to Land Quad Jump at Olympics - The Moscow Times
Repetition of quad jumps limited as ISU approve package of technical rules
How Quad Jumps Have Changed Women's Figure Skating | FiveThirtyEight