Quaas, grey haired, stole the show by doing an exhibition display on parallel bars and floor. Her performance garnered a thunderous applause from the crowd.

Quaas bounces and flips and looks more agile than most of us. You can see the hard work that she's put into her sport and how she's trained her body to be a mountain of strength even at 86.

Watch the videos below to see Quaas performing. (c) tPC