U.S. Freestyle National Championship

Keywords

Trevor Semmens loses his balance during a training run in the Men's... News PhotoAdult,Balance,California,Extreme Sports,Failure,Horizontal,Men,Mogul Skiing,South Lake Tahoe,Sport,Sports Training,USA,Winter SportPhotographer Collection: Getty Images Sport 2013 Getty ImagesSOUTH LAKE TAHOE, CA - MARCH 29: Trevor Semmens loses his balance during a training run in the Men's Moguls at the U.S. Freestyle Moguls National Championship at Heavenly Resort on March 29, 2013 in South Lake Tahoe, California. (Photo by Ezra Shaw/Getty Images)