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Headless Rhythmic Gymnasts

US gymnast Julie Zetlin performs her ball program during the individual all-around qualifications of the rythmic gymnastics event of the London Olympic Games on August 9, 2012 at Wembley arena in London. AFP PHOTO / BEN STANSALL

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