Freestyle skier Carly Margulies practices at the X Games in Aspen, Colo., Jan. 26, 2017. Margulies is on her way to Beijing Games after going through not one or two or three but seven knee surgeries. Her latest procedure happened two months before the Winter Olympics. (Marc Margulies via AP)

Freestyle skier Carly Margulies smiles after winning her Olympic qualifier on Feb. 23, 2017, in Calgary, Alberta Margulies is competing in the Beijing Games after going through not one or two or three but seven knee surgeries. Her latest procedure happened two months before the Winter Olympics.. (Marc Margulies via AP)

Freestyle skier Carly Margulies trains on the halfpipe at Mammoth Mountain in Mammoth Lakes, Calif., May 30, 2017. Margulies is on her way to Beijing Games after going through not one or two or three but seven knee surgeries. Her latest procedure happened two months before the Winter Olympics. (Marc Margulies via AP)

Freestyle skier Carly Margulies stands on the halfpipe at the X Games in Aspen, Colo., Jan. 24, 2017. Margulies is competing in Beijing a mere two months removed from her seventh knee surgery. (Marc Margulies via AP)