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Iona, who is 28 and lives in West Hampstead, London, held a pose called the "Marinelli bend" for 33 seconds, beating the existing world record by 11 seconds. The Marinelli is an inverted backbend ...

Professional contortionist Leilani Franco squeezes into a suitcase, on May 30, in London, UK. The 29-year-old woman also holds the record for the fastest backbend walk and the fastest contortion roll.

Highly flexible males who are able to do the backbend. Its a single shot only. So must be able to do this pose with comfort as they will be repeating it.

In a semi-private fitness class at Manhattan’s Mercedes Club, a classmate and I eyed each other with apprehension. We were deciding which of us would attempt the backbend first. This was no relaxing ...