When the 2016 World Figure Skating Championships begin atBoston's TD Garden on March 28, San Jose, California teenPolina Edmunds will not take to the ice. Although her silver medal placement at the recent US National Championships earned the 17-year old Olympian a berth at the prestigious competition, a bone bruise forced her to withdraw, according to a March 23 announcement by US Figure Skating. Mirai Nagasu will skate in her place.

Polina Edmunds sidelined by bone bruise

Edmunds, who was part of the US skating contingent that competed at the 2014 Olympic Games in Sochi, Russia, said she was "disappointed" to withdraw, but noted that she didn't want to represent the US at worlds while operating at less than 100 percent.

Her injury, a bone bruise to her right foot, interferes with her ability to successfully complete Lutz and flip jumps. She wished the rest of the world team "the best of luck" in Boston.

New life for Mirai Nagasu?

Edmunds' withdrawal spells unexpected opportunity for the 22-year old Nagasu, whose last appearance at worlds --back in 2007-- ended ina seventh-place finish. Although she's faced struggles since her fourth place finish at the 2010 Olympics --including the heartbreak of being left off the 2014 Sochi squad in favor of fellow world team member Ashley Wagner-- Nagasu has fared well in recent months. In addition to earning the pewter medal at US nationals, she earned silver at February's Four Continents Championships in Taipei and gold at October's Ice Challenge in Austria.

Asada, Medvedeva also to compete

Although Team USA will field a strong ladies' team in Mirai Nagasu, Ashley Wagner, and reigning US national champion Gracie Gold, they'll face stiff competition from athletes representing a number of other nations. Although reigning world champion Elizaveta Tuktamysheva will not be on hand to defend her title, the Russian team consists of three strong skaters, including reigning Grand Prix Final champion Evgenia Medvedeva and 2015 world silver medalist Elena Radionova.

Also on the roster to compete are a trio of talented Japanese ladies in reigning world silver medalist Satoko Miyahara, Four Continents bronze medalist Rika Hongo, and three-time world champion Mao Asada.

The 2016 World Figure Skating Championships begin March 28.

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