Double mini trampoline
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Double mini trampoline, sometimes referred to as double mini or DMT, is a gymnastics discipline within trampolining. Participants perform acrobatic skills on an apparatus smaller than a regular compet
9 Time World Double Mini Trampoline Champion Mikhail Zalomin, at the 2018 World Championships
George Nissen
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George Peter Nissen was an American gymnast and inventor who developed the modern trampoline and made trampolining a worldwide sport and recreation.
George Nissen and other players demonstrating Spaceball in Paris in 1965