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Headless Rhythmic Gymnasts

SYDNEY, AUSTRALIA - SEPTEMBER 29: OLYMPISCHE SPIELE SYDNEY 2000, Sydney (Gunnar Berning/Getty Images)

Headless Rhythmic Gymnasts

Rhythmic gymnastics can bend and contort with the best of Cirque du Soleil performers. Warning: This gallery will make your neck hurt. -By Andrew Dubbins, Yahoo! Sports