Karin Büttner-Janz (née Janz, born 17 February 1952) is a German scientific physician who gained global and Olympic gold medals in inventive gymnastics for East Germany. From 1990 to 2012, she used to be leader doctor of clinics in Berlin, Germany. She has a basis named Spinefoundation.

At the 1970 global championships she overcame Ludmilla Tourischeva at the asymmetric bars to win the gold medal. In a controv…

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