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Skier Lindsey Vonn, in her comeback season after a serious knee injury, won World Cup titles in the downhill and the super-G this week in France. Alain Grosclaude/Agence Zoom/Getty Images
Vonn clinched her 62nd World Cup victory in January, equaling a record that had stood for 35 years. She would later break the record. Christophe Pallot/Agence Zoom/Getty Images
Vonn had to be airlifted off the slopes at the 2013 World Championships after a horrific knee injury. It led to a lengthy spell on the sidelines. FABRICE COFFRINI/AFP/Getty Images
Vonn's rehabilitation was overseen by both Red Bull and the U.S. Ski team, a case of a slowly-slowly approach to make sure no further damage was done to the joint. David Mavro / Red Bull Content Pool
Vonn made a sensational return to action in August 2013 at a U.S. training camp in Chile's Andes Mountains. She insisted her damaged right knee felt as good as her unaffected left knee. Jon Selkowitz/Red Bull Content Pool
Vonn stretches her troublesome knee as she prepares for downhill training at Copper Mountain, Colorado, in November 2013. Doug Pensinger/Getty Images
Vonn suffered a setback in December 2013 and had to pull out of a downhill race. She was not able to compete the next year at the Winter Olympics in Russia. FRANCK FIFE/AFP/Getty Images
Vonn's return to competitive skiing came under heightened scrutiny because of her relationship with golfer Tiger Woods. Larry Busacca/Getty Images/file
